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HOW TO MAKE REPAIR WATCHES CLOCKS - ILLUSTRATED HOROLOGY GUIDES
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This collection of documents is aimed at the serious horologist.
On this CD we've compiled HUGE Information.Â
I'll Prove It, Check Out What You'll Find On This CD!Â
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We Got Information On Fixing Watches.
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And Information On Fixing Clocks.
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Do You Want To Repair Some Bells?
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How About Make Watch Staffs?
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Mainsprings Got You Wound Up?
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You Could Get Your Gearing Out Of A Bind.
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And... You Can Even Catch Up On Escapements.
Now That's TONS of Information!
We've even thrown in a fun document on doing magic tricks with watches to keep you amused. A superb addition to the watch maker, jeweler and afficienado's digital library.
Check Out The Contents Of This CD Below!
1904 TREATISE ON CLOCKS WATCHES & BELLS HOROLOGY
To all the clockmakers, watchmakers, clock and watch repair people and Horology enthusiasts.....
This is a wonderful document from an early 20th century book....
I cannot begin to describe the work as well as the table of contents and this quote from the document...
"It should be understood that this professes to be a rudimentary treatise in the sense of teaching the principles of horology, and so much practical knowledge as may be useful both to clockmakers and to amateurs who wish to make, or direct the making of, their own clocks of superior character; and I have had abundant information that it has been useful in that way, besides vastly improving the general character of public clocks especially, in all the English-speaking world, and wherever large English clocks go."
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Sidereal day
Solar day and transit instrument
Mean time and year
Equation of time
Astronomical and civil day
Table of equation of time
Sidereal time
Table of local time
Sidereal and mean dials useless
Sun-dials
Meridian dial simplest fig. 1
Dipleidoscope fig. 2
Water and sand clocks
Clocks, History of
Early English ones
Common clock train figs. 3 and 4
Fan-fly instead of pendulum
Conical pendulum, or governor
Relation of length to gravity
Barker’s mill governor
Revolving pendulum fig. 5
Balance-wheel, earliest fig. 6
Pendulums, history of
Crown-wheel escapement fig. 7
Cycloidal theory fig. 8
Cheeks, a failure
Circular error
Mathematics of pendulum theory
Lengths of various pendulums
Centre and radius of oscillation
Moment of inertia
Standards of length
French metre a bad measure
Egyptian and Jewish cubits
Short and slow pendulums
Shape and material of pendulums
Suspension of them fig. 9
Where they may be
Pendulum springs
Regulation of clocks
Compensated pendulums
Table of expansions and specific gravities
Zinc and steel pendulum
Weights of some
A mistake about compensation
Wood and lead compensation
Wood, zinc, and lead
Smeaton’s glass pendulum
Compound bar compensation fig. 10
Homogeneous and Ellicott’s fig. 11
Mercurial; Baily’s mistake
A new kind of jar fig. 12
Cast-iron jars best; calculation for
Barometric error and compensation
Westminster pendulum fully compensated
Air-tight clock cases
Compensation by thermometer tube
Greenwich plan
Anchor pallets fig. 13
Harrison’s recoil escapement
Clocks out of beat
Dead escapements fig. 14
General theory of
Importance of dead friction
Sir G. Airy’s calculations
His conclusion erroneous
Proper construction
Half-dead escapement
Loseby’s isochronal spring fails
Large and small arcs
Value of firm fixing of pendulum
Materials for scapewheels
Weight of them
Pallets should be short
Rules for construction
Pin-wheel dead escapement fig. 15
Pin pallets
Single-pin escapement fig. 16
Sir E. Beckett’s three-legged one fig. 17
Another form of it fig. 18
Detached escapements, Airy’s fig. 19
Beckett’s fig. 20
Single-beat escapements waste no force
Gravity escapements, value of
Mudge’s fig. 21
Sir G. Airy’s calculations
Proper conclusion therefrom
Effect of a close case
Failure of early gravity escapements
Cumming’s and Hardy’s
Kater’s, Gowland’s,Gannery’s
Bloxam’s fig. 22
Correction of Airy’s mistakes
Beckett’s gravity escapements
Four-legged fig. 23
Banking pins, useful
Fly to be light and large
Double three-legged fig. 24
Most successful for large clocks
Going part of clocks, generally
Section of one fig. 25
Dial work
Regulator clocks
Winding keys should be long
Year clocks
Clock cases and Moon dials
Day of the month clocks fig. 26
Chronoscopic dials without hands
Equation of time clocks fig. 27
Maintaining powers
Endless chain fig. 28
Spring-going barrel fig. 29
Bolt and shutter
Beckett’s improved one
Sun-and-planet power fig. 30
Spring clocks 108
American clocks and Austrian
Improved French clocks
Self-winding clocks
Water clocks
Electrical, Bain’s
Shepherd’s
Jones’s controlled
Ritchie’s fig. 31
His pendulums fig. 32
Lund & Blockley’s
Timeballs and guns
Striking Clocks, for one only fig. 33
Common striking part fig. 34
Repeating method
New French form of it
Strike and silent
Locking plate fig. 35
Half-hour striking one
With rack movement
Quarters on two bells
Quarter chimes
Best construction for them fig. 36
Tell-tale clocks, and musical
CHURCH OR TURRET CLOCKS
Pendulums long and heavy
Position of clock
Frame, old form
Some of the largest clocks
Small turret clock with gravity escapement fig. 37
Clock towers and architects
Wire ropes
Striking from great wheel
Two hammers
Stops for weights
Number of lines and pulleys
Bushes, various forms fig. 38
Four-wheeled train clock fig. 39
Size of fly important
Large clocks with quarters
Best pattern of one fig. 40
Number of cams and teeth
Discharge of striking
Two-quarter hammer fig. 41
Cambridge and Westminster quarters
Doncaster quarters
Worcester
Arrangement of chime barrel
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Proper interval for chimes
Lifting off hammers
Quarters on two bells
Striking at exact time
Chime tunes
New method fig. 42
Large and small bells together bad
Clock hammers fig. 43
Fixed above bell fig. 44
Cranks for them fig. 45
Weight of hammers
Dials of turret clocks
List of some large ones
Materials for
Concave v. convex
Hands, construction of
Illumination of dials
Dial-wheels 158
Universal joints and friction fig. 46
Weathercocks and ventilation
Train remontoires
Bevelled-wheel remontoire fig. 47
Continuous motions
Telescope drivers
Royal Exchange remontoire fig. 48
Simplest train remontoire fig. 49
Spring remontoire, Sir G. Airy’s
Sir E. Beckett’s fig. 50
Cast-iron wheels
Decay of brass in bad air
Jobbing in public clocks
Specifications for them
Degree of error to be allowed
The Westminster clock
Double-barrelled crab there fig. 51
Another form of it fig. 52
Mode of regulating
Pendulum and escapement
Maintaining power
The dials and hands
Quarters
Hour striking part
Mode of discharging exactly fig. 53
Winding of striking parts
Its rate
History of it
Sir C. Barry’s hands for it
Mr. Cowper Temple about it
The bells and their history
Sir G. Airy’s report on them
Mr. Cowper Temple again
Cost of clock and bells, and of the dials and bell-frame
Teeth of wheels
Helix teeth fig. 54
Epicycloidal fig. 55
Drivers and runners fig. 56
Lantern pinions fig. 57
Internal wheels
Bevelled and skew-bevelled
Cams
Calculation for them
Simplest construction fig. 58
Oil for clocks
WATCHES AND CHRONOMETERS
History of early watches
Mainsprings
American Spring Barrel fig. 59
Tipsy key
American watch fig. 60
English fig. 61
Winding stops
Up-and-down dial fig. 62
Dial wheels
Balance spring
Balance free from gravity
Regulation of watches fig. 63
Old plan fig. 64
Glass balance springs
Timing for position
Gimbals fig. 65
Ship timepieces
Compensated balances
Harrison’s and Le Roy’s
Common plan fig. 66
Chronometrical thermometer
Secondary compensation
Mathematical theory of
Greenwich trials
Eiffe’s compensation
Dent’s fig. 67
Loseby’s fig. 68
Kullberg’s fig. 69
Dent’s prismatic fig. 70
Escapements, vertical fig. 71
Lever fig. 72
Horizontal figs. 73, 74,
Duplex fig. 75
Chronometer fig. 76
Lever chronometer fig. 77
Tourbillons
Remontoires useless
Repeaters
Keyless watches fig. 78
Pedometers and stop watches
Recording watch fig. 79
Dials and cases
Watch factories
BELLS
History of bells
Founders, past and present
Foreign and English
Old bell metal
Notes and sizes
Notes and weights
Scales of thickness
Exeter, York, and Bow peals
St. Paul’s and Worcester
Bradford and Manchester
Bad modern towers
Doncaster and Burton peals
Headingley and Gainford
Thickness of large and small bells
Maiden bells
Sizes for peals
Shape of bells, rules for
Section or sweep fig. 80
Composition, best
Atomic proportions
Cast steel, bad
Silver a vulgar error
Moulding, two modes of
Mending cracked bells impossible
New bell crown, Sir E. Beckett’s fig. 81
Taylor’s
Clapper bolt independent
Tucking up in stock
Tolling levers and gudgeons
Great Paul’s hanging
Bell ropes
Ellacombe’s chiming hammers
Stays and sliders
Gudgeons should be long
Clappers and iron stocks
Bell frames
Bottom should fit walls
Arrangement of frames
Folly of some constructions
Clappering cracks bells
Specifications for peals
Bell towers, proper size of
Proper plan of bells in
Architects destroy belfries
Windows in
The great bells of Europe
List, with weights and sizes
Addenda
Appendix
Weathercocks
Index
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HOROLOGIST INSTRUCTIONS MAKING & FITTING WATCH STAFFS
To all the clockmakers, watchmakers, clock and watch repair people and Horology enthusiasts.....This is a wonderful document from an early 20th century book....
I cannot begin to describe the work as well as the table of contents and this quote from the document...
"To produce a good balance staff requires more skill than to produce any other turned portion of a watch, and your Success will depend not alone on your knowledge of its proper shape and measurements, nor the tools at your command, but rather upon your skill with the graver and your success in hardening and tempering.
There are many points worthy of consideration in the making of a balance staff that are too often neglected. I have seen staffs that were models as regards execution and finish, that were nearly worthless from a practical standpoint, simply because the maker had devoted all his time and energy to the execution of a beautiful piece of lathe work, and had given no thought or study to the form and size of the pivots.
On the other hand, one often sees staffs whose pivots are faultless in shape, but the execution and finish so bungling as to offset all the good qualities as regards shape.
To have good tools and the right ideas is one thing, and to use these tools properly and make a practical demonstration of your theory is another.
I shall endeavor to take up every point in connection with the balance staff, from the steel to the jewels, and their relation to the pivots, and I believe this will then convey to the reader all the necessary points, not only as regards staffs, but pivots also, whether applied to a balance or a pinion staff."
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CONTAINING COMPLETE DIRECTIONS FOR
MAKING AND FITTING NEW STAFFS FROM THE RAW MATERIAL
CHAPTER I.
The raw material.
The gravers.
The roughing out.
The hardening and tempering
CHAPTER II.
Kinds of pivots.
Their shape.
Capillarity.
The requirements of a good pivot
CHAPTER III.
The proper measurements and how obtained
CHAPTER IV.
The gauging of holes.
The side shake.
The position of the graver
CHAPTER V.
The grinding and polishing.
The reversal of the work.
The wax chuck
CHAPTER VI.
Another wax chuck.
The centering of the work
CHAPTER VII.
The finishing of the staff.
Pivoting.
Making pivot drills.
Hardening drills.
The drilling and fitting of new pivots
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HOROLOGY LESSON MOTIVE FORCE TRAINS MAINSPRINGS GEARING
This beautiful document originates from the early 1900's. It covers the principles of cosmography and mechanics relating to the measurement of time.
Motive Force, Mainsprings, Trains, Gearings, etc. are fully discussed and illustrated. This is an amazing Horologists resource document.
Regardless of your skill level in this science and art, you will find great use within its pages.
This will make an indispensible addition to your horology document library.
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Chapter I - General Principles Of Cosmography Relating To Horology
Principles of the measurement of time
Units of time. Sidereal day. Solar day
True time. Mean time.
Laying out of a meridian line
Determination of the position of a point on the terrestrial sphere
General Principles Of Mechanics
Forces
Law of inertia
Definition of mechanics
Motion
Rotary motion
Mass of a body
Work of a force
Definition
Work of a force tangent to a wheel
Unit of work
Active power
Moment of a force
Lever
Transmission of work in machines
The oscillations of the balance and their relation to the motive force
Wheel-work- Its purpose in the mechanism of clocks and watches
Escapements
Chapter II - Maintaining Or Motive Forces
The weight as a motive force
The barrel spring as a motive force
Measurement of the force of a spring
Theoretical study of the moment of a spring's force
Coefficient of elasticity
Variation of the coefficient of elasticity
Values of the coefficient of elasticity E
Limit of elasticity
Moment of the elastic force of a spring subjected to a flexion
Inequality of the elastic force of the spring
Length of the spring
Development of a spring
Diameter of the hub
Work produced by spring
The fusee
Calculation of the variable radius of the fusee's helix
Uniformity of the force of the spring in fusee watches
stop-work
Geometrical construction of the Maltese cross stop-work
Chapter III - Wheel-Work
Purposes of wheel-work
Calculations of trains
Calculations of the number of turns
Calculation of the number of oscillations of the balance
Calculations of the numbers of teeth
Problems relative to the preceding questions
Numbers of turns
Numbers of oscillations of the balance
Numbers of teeth
Numbers of teeth of the minute wheels. Description of this mechanism
Numbers of teeth of an astronomical clock
Numbers of teeth of lost mobiles
Indicator of the development of the spring in fusee timepieces
Simple calendar watches
Decimal watches
Calculation of numbers comprising the teeth-ranges of the wheels of a watch with independent second hand
Wheel-work of the stem-winding mechanism
Calculation of the train in a watch of the Roskopt Type
Chapter IV - Gearings
Definition
Practical examination of a gearing
First-Distance of the centers
Primitive radii
Applications
Calculation of the primitive radii
Application of the theory of primitive radii to the escapements
Second- Shape of the teeth and leaves
General study of the transmission of force in gearings
Determination of the forms of contact in gearings
First- Graphic method - Exterior gearing
Interior gearing
Second- Method of the envelopes
Eveolvents of circle gearings
Third - Roller method
Flank gearings
Determination of the profile of a tooth corresponding to a profile chosen arbitrarily
Gearings by the evolvent of a circle
Teeth-range
Third- Total diameters
Cycloid
Definition
Drawing of the cycloid
Drawing of the cycloid of a continuous movement
Normal and tangent to the cycloid
Evolution and radius of curvature of the cycloid
Length of the cycloid
Epicycloid
Definition
Drawing of the epicycloid
Drawing of the epicycloid of a continuous movement
To draw a normal, then a tanget to the epicycloid
Evolute and radius of curvature of the epicycloid
Length of the epicycloid
Applications
Relation of the radius vector to the angle formed by the variable radius vector and the initial radius vector
Table showing the angle traversed by the pinion of several ordinary gearings during the contact of a tooth of the wheel with the leaf of this pinion
Calculation of the total radius of the wheel
Form of the excess of the pinion leaf in a flank gearing
Radius of curvature of an elipse
Total radius of the pinion
Graphical construction of gearings
Practical applications of the theory of gearings
The proportional compass and its use
Table for using the proportional compass
Verification of a proportional compass
Determination of the distance of the centers of a gearing by means of the proportional compass and of a depthing tool
The proportional compass and stem-winding wheel gearings
Gearing of the crown wheel in the ratchet wheel
Gearing of the winding pinion in th ecrown teeth of the contrate wheel
Gearing of the sliding pinion and of the small setting wheel
Gearings of the dial wheels
Various calculations relative to gearings
Conical Gearings
Form of the teeth
Construction of conical gearings
Defects which present themselves in these gearings
Passive resistances in gearings
General ideas
Friction
The two kinds of friction
Laws of friction
Experimental determination of the force of friction
Table of the coefficients of friction
Work of friction
Angle of friction
Calculation of the friction in gearins
Friction of the teeth ranges
Friction before and after the line of centers
The wheel drives the pinion after the line of centers
The pinion drives the wheel before the line of centers
The wheel drives the pinion before the line of centers
The pinion drives the wheel after the line of centers
Recapitulation of the preceding calculations
Calculations of th efriction of pivots
Work absorbed by the friction of the plane surface of the shoulder of a pivot
Work absorbed by the friction of the cylindrical surface ofa pivot
Determination of the lateral pressure received by the pivots of the mobiles in a train
Influence of the oil
Application of the theory of gearings
Functions of the heart in chronographs
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WATCH & CLOCK ESCAPEMENTS ILLUSTRATED HOROLOGY BOOK
A Complete Study In Theory and Practice of the Lever, Cylinder and Chronometer Escapements, Together with a Brief Account of the Origin and Evolution of the Escapement in Horology - first printed in 1904.
A quote from this document:
"In this treatise we do not propose to go into the history of this escapement and give a long dissertation on its origin and evolution, but shall confine ourselves strictly to the designing and construction as employed in our best watches. By designing, we mean giving full instructions for drawing an escapement of this kind to the best proportions."
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CHAPTER I - The Detached Lever Escapement
Making a pair of dividers
Delineating an escape wheel
Pallet and Fork Action
Establishing the center of pallet staff
Laying out escape-wheel teeth
How motion is obtained
Methods of making good drawing instruments
Spring and adjusting screw for drawing instruments
Consideration of detached lever escapement resumed
The neccesity for good instruments
Delineating the exit pallet
Delineating circular pallets
The amount of lock
Advantage of making large drawings
The club-tooth lever escapement
Relations of the several parts
Locating the inner angle of the exit pallet
Club-tooth lever with equidistant locking faces
Angular motion of escape wheel determined
A departure from former practices
An apt illustration
Locating the outer angle of the impulse planes
Making an escapement model
Imitation rubies for capping the top pivots
Profitable for explaining to a customer
How large screws are made
Fancy screwheads
How to do acid frosting
How to prepare the surface
How to etch the surface
How flat steel polishing is done
Smoothing and polishing
Knowledge that is most essential
What every workman should know to repair a watch
Educate the eye to judge of angular as well as linear extent
Fork and roller action
How to find the roller diameter from the legnth of the fork
Why thirty degrees of roller action is about right
HOw to set a fork and roller action right
HOw to dilineate the fork and roller
To determine the size of the jewel pin
The theory of the fork action
How to dilineate the prongs of a lever fork
The proper length of a lever
How to delineate the safety action
Restrict the frictional surfaces
Be fearless in repairs, if sure you are right
Study of an escapement error
How to adjust pallets to match the fork
How to set a jewel pin as it should be
About jewel-pin setters
How to make an angle measuring device
How the angular motion is measured
Testing lock and drop with our new device
A few experiments with our angle-measuring device
How to measure the angular motion of an escape wheel
How to balance controls the timekeeping of a watch
How barametric pressure affects a watch
Proportions of the double-roller escapement
Theoretical action of double roller considered
How to design a double-roller escapement
How the guard point is made
More about tangential lockings
Correct drawing required
Neurtal locks
Practical hints for lever escapements
The perfected lever escapement
when power is lost in the lever escapement
About the club-tooth escapement
How to locate the pallet action
"Action" drawings
Drawing an escapement to show angular motion
Practical problems in the lever escapement
To draw a pallet in any position
Higher mathematics applied to the lever escapement
How the basis for close measurements is obtained
Make a large escapement model
Practical lessons with fork and pallet action
Quiz problems in the detached lever escapement
How to measure escapement angles
Determination of "right" methods
Escapements compared
How to set pallet stones
How to make an escapement matching tool
Details of fitting up escapement matcher
Escapement matching device described
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CHAPTER II - THE CYLINDER ESCAPEMENT
Essential parts of the cylinder escapement
Drawing the cylinder escapement
Advantages gained in shaping
The outer diameter of the cylinder
Drawing a cylinder
The cylinder proper considered
Why the angular extent is increased
Making a working model
Proper shape of cylinder lips
Delineating an escape-wheel tooth while in action
CHAPTER III - THE CHRONOMETER ESCAPEMENT
Advantages of the chronometer
Frictional escapements in high favor
Faults in the detent escapement
Antagonistic influences
Factors that must be considered
Functions of the detent
obtaining the best conditions
Important considerations
Decisions arrived at by experience
Locating the center of the balance staff
How to set the discharging jewel
A good form of locking stone
The detent spring
Details of construction
Original designing of the escapement
Tangential lockings
The drop and draw considered
Fitting up of the foot
CHAPTER IV - HISTORY OF ESCAPEMENTS
Problems to be solved
Escapement the most essential part
The verge escapement
Oldest arrangement of a crown-wheel escapement
Galileo's experiments
The attainment of isochronism by Huygens
Another two-pendulum escapement
Correcting irregularities in the verge escapement
An invention that created much enthusiasm
Ingenious attempts at solution of a difficult problem
Various modifications
The gable escapement
CHAPTER V - PUTTING IN A NEW CYLINDER
Escape-wheel teeth vs. cylinder
Measuring the heights
Turning the pivots
How to use a cement chuck
Convenient tool for length measurement
Removing the lathe cement
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THE LEVER ESCAPEMENT - AN ILLUSTRATED HOROLOGY TEXT
This is a beautiful Horology document that was written in 1910. It discusses the lever escapement of a watch and how it operates, is drawn and made. Please see the quote below directly from the document:
"We are now about to enter upon our subject and deem it well to say, we have endeavored to make it as plain as possible. It is a deep subject and is difficult to treat lightly; we will treat it in our own way, paying special attention to all these points which bothered us during the many years of painstaking study which we gave to the subject.
We especially endeavor to point out how theory can be applied to practice; while we cannot expect that everyone will understand the subject without study, we think we have made it comparatively easy of comprehension. We will give our method of drafting the escapement, which happens in some respects to differ from others. We believe in making a drawing which we can reproduce in a watch."
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The Draw
The Lock
The Run
The Lift
The Center Distance of Wheel and Pallets
Equidistant vs. Circular
The Fork and Roller Action
The Safety Action
The Crescent
The Horn
Specifications for Lever Escapement
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PERFORMING MAGIC WATCH TRICKS INSTRUCTION FOR MAGICIANS
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At one time or another, we've all seen a magician borrow a watch from an audience member for a trick. Invariably, the magician appears to break the watch.
Of course, the volunteer is surprised at this, but the magician quickly, magically, brings the watch back in perfect condition. There are many variations of this trick.
This magic document originates from the early 1900's and details several ways to do magic with a borrowed watch. They're all very cool.
Just A Little Instruction & Practice, And You'll Be Doing These Tricks Like A Pro!
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To Indicate On The Dial Of A Watch The Hour Secretly Thought Of - A simple arithmetic trick that's hard to perceive, and appears to give the magician the ability to read the mind of his volunteer. The volunteer thinks of a time and the magician guesses it by tapping the volunteers watch and asking some leading questions.
To Bend A Borrowed Watch Backwards & Forwards - Again, borrowing a watch, the magician looks at it and determines that it's rather soft. He then holds the watch and apparently makes it flex and indeed, fold in half in his hands.
The Watch-Mortar And The Magic Pistol - An apparatus in the form of an ordinary mortar & pestle, a pistol and a little sleight of hand, theatrics and drama. Crush the watch in the mortar, show it to them then, make the watch appear inside a loaf of bread on another table by "shooting" it there by means of a magic pistol.... coool.
The Snuff-Box Vase - A magic vase with a secret compartment that assists the magician in making small items disappear from it. Seemingly solid, even upon close inspection, this was a staple of early 20th century magic shows.
The Watch Box - An ordinary little box, only 4 inches by 3 inches and 2 inches, with a secret. One side is releasable, allowing the magician to slide any object that is placed in the box out with ease. This is a really effective sleight of hand trick.
The Watch Target - In appearance, an ordinary looking round target about 12 inches in diameter, on an upright pillar or stand. The magician borrows a watch, and using his magic pistol is able to transport the watch across the room and onto the target.
The Mesmerized Watch - Basically, the magician is able to make it appear that any borrowed watch chimes on command, gives answers to yes or no questions, etc. The secret is an ingenious little apparatus that only the performer knows about.
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