Table of Contents
Preface and acknowledgments vii
Chapter 1 Workshop and Work-Bench.
First essentials
Necessity for practice
Equipment for success
Working in comfort
Work-bench, seat
Lighting, natural and artificial 1
Chapter 2 Essential Tools
Screwdrivers, large and small
Using screwdrivers
General and special purpose tweezers
Using tweezers
Oilers, oil pots and stands
Eye-glasses, nippers, pliers, hammers, hand-removing levers, bluing pan, pegwood and pith 5
Chapter 3 Case, Dial and Hands
The case and its components
Opening the case
Removing hands and dial
Removing movement
Correct handling of movement Correct handling of movement 12
Chapter 4 The Movement, Components and Dismantling
Every part of movement illustrated
Standard names for watch parts
Examination in detail
Adjustments to motion work
Dial fitting
Checking ends hake and sideshake of train and balance 19
Chapter 5 Lever Escapement, Examination and Correction
Layout and functioning
Examination and adjustment
Examination of lock
Adjusting pallets
Correcting run to the banking
Correcting the draw
Angle of pallets
Outside and inside shake
Angle of lever
Removing balance spring
Adjustments to lever
Fitting new guard pin
Fitting new ruby pin
The double roller and balance staff 29
Chapter 6 Pin Pallet Escapement
Correcting lock
Adjustments to lever
Repairing guard pin
Correcting impulse
Fitting new pallet pins
Correcting banking
Movements described and illustrated 34
Chapter 7 The Train: Gears and Tooth Forms
Arbors and pivots
Uprighting and bushing
Engaging and disengaging friction
Gear tooth forms: epicycloidal, cycloidal, circular arc, involute
Gear wheels and pinions
Use of sector, micrometer and vernier gauges
Testing and correcting depths
Using depthing tool, wheel stretching tool, wheel topping tool Wheel cutting 62
Chapter 8 The Barrel and Mainspring
Repairs and adjustments to barrel
Correct fitting of arbor
Proportions of mainspring
Mainspring winders
Cleaning, handling, and re-winding mainspring
Fitting new ends to mainspring
Fitting new hook to barrel
Mainspring slipping devices
Author's patent device
Re-coiling clicks 81
Chapter 9 Hand Cleaning and Oiling
Cleaning dial, pallet*, small parts, balance spring, train wheels
Correct oiling of jewels
Oiling escapement
Original watch oiling chart
Movement holders 94
Chapter 10 The Cleaning Machine
Preparation of parts
Using Machine Care of solutions 107
Chapter 11 Keyless Work
Faults and their remedies 110
Chapter 12 Springing and Timing
Conventional signs
Setting to exact time
The compensation balance
The function of timing screws
Testing in temperatures
Temperature screws
Reducing balance screws
Temperature adjustment chart
Poising
Plain balance
Advantages of Elinvar and beryllium
Balance spring charts
Fitting new balance spring
Vibrating
Pinning at centre
Position of centre pinning 117
Chapter 13 Breguet Overcoil
Designing the Lousier curve
Designing curve to apply overcoil to flat spring
Forming overcoil
Special tools for forming overcoil
Pinning at stud 138
Chapter 14 Timing in Positions
Measuring arc of vibration
Necessity for correct pinning of balance spring
Use of watch timing rack
Pinning point chart
Altering curve of overcoil
Altering end of staff pivot
Index pin adjustment
Poising for positional adjustment
Centrifugal force
Positional adjustment
Isochronism test
Accumulated daily error chart
Timing in positions and temperatures
Correction chart for gaining rate
Correction chart for losing rate 146
Chapter 15 Making New Parts
Polishing materials
Polishing
Filing
Making balance cock
Making click spring
Chamfering took and cuttera
Overhand and underhand polishing
Using the bolt tool
Polishing and finishing steel 163
Chapter 16 Turning
Sharpening the graver
Preparing and using the polisher
Forming pivots
Making pivot runners
Fitting balance
Burnishing pivots 178
Chapter 17 The Lathe and Its Use
Care of the lathe
Driving by hand, foot or motor
Split chucks and their use
Polishing on the lathe
Turning a balance staff on the lathe
Parting off
The Jacot tool
Making cutters
Use and maintenance of burnishers
Use of wax chuck
Turning between centres- Use of safety pulley
Truing a balance
The step chuck
Callipers and guide
American style callipers
Fitting new centre-pinion
Turning round shoulder
Fitting to wheel
Fitting new cannon pinion
Using special tool
Polishing undercut
Turning new winding shaft
Filing square
Tapping in the lathe
Fitting a new pivot
Making a drill
Making, hardening and tempering drills
Pivoting tool
Straightening balance staff pivots
Straightening a pivot
Lathe work on the barrel
Special cutters- Use of slide rest
Using screw head tool
Universal chuck
Brass chuck
Lantern chuck
Self-centring drill
Drilling brass
Topping tool
Wheel cutting
Lapping
Filing a square hole
Removing rust from steel work 193
Chapter 18 The English Lever
Examination of l-plate going barrel movement
English lever escapement
Ratchet tooth escapement
Club tooth escapement
Marking the jewels
Deep locking
Cleaning the train
English lever fusee movement
Making new fusee click
Fitting new fusee ratchet
Fitting new click
Checking maintaining power
Fitting square hook to mainspring
Cleaning and fitting fusee chain
Full plate English lever movement
Using adjusting rod 235
Chapter 19 Friction Jewelling
Friction jewel-setting equipment
Special tools and accessories
Replacing rubbed-in jewel by friction jewel
Fitting new friction jewel
Fitting balance jewel
Fitting end-stone
Fitting rubbed-in jewel
Setting a jewel by hand 252
Chapter 20 Shock-Resistant Jewelling
Theory of device
Methods of construction
"Incabloc," Parechoc " and " Shockreaist " systems detailed
Cleaning and oiling 263
Chapter 21 Magnetism and Demagnetising
Magnetism
How it affects the watch
Parts affected
Demagnetising
Detecting magnetism
Machine from mains
Machine from battery
Machine using battery and vibrator coil
Demagnetising without mains or battery 266
Chapter 22 Water-Resistant Cases
Why not waterproof
Sub- mergence test
Testing under pressure
Vacuum test
Where water enters the case
Methods of sealing pendant and bezel
Special case-opening tools and how to use them
Universal opening tools
The "Waterproof" guarantee 273
Chapter 23 The Bulova Tuning Fork Watch
The movement
Tools required
Removing the movement
Diagnosis procedure
Procedure for regulation
Checking the electronics
Checking the mechanics 283
Chapter 24 Timing Machines
Use of the rate recorder
Vault diagnosis 300
Appendix I Some of the 101 reasons likely to cause a watch to stop 309
Appendix II A standard of workmanship. Fourteen points of horological service 312
Index 315