Watch and Clock Escapements
A Historical Horology Manual on Verge, Lever, Chronometer, and Precision Timekeeping MechanismsBy Anonymous
Length5h 56m
About this audiobook
Watch and Clock Escapements is a specialized horological treatise devoted to the mechanisms that regulate timekeeping: the various escapements that convert a train's continuous motion into the measured oscillation of a pendulum or balance. Its likely emphasis is analytical and practical, examining construction, operation, comparative advantages, faults, and methods of adjustment. Written in the precise, methodical idiom of the technical manual, the book belongs to the nineteenth- and early twentieth-century literature of mechanical arts, when horology joined workshop experience with increasingly systematic engineering knowledge. It is consequently valuable not merely as instruction, but as a record of how precision, craftsmanship, and mechanical theory were understood in an earlier technological culture. The author's anonymity directs attention away from personality and toward the accumulated knowledge embodied in the text. Whoever prepared it was evidently familiar with the horologist's bench and with the explanatory traditions of technical publishing: clear classification, attention to minute relationships, and an insistence that reliable timekeeping depends upon both design and skilled regulation. The work may thus represent an individual craftsman's expertise, or a compilation of professional knowledge intended to preserve and disseminate practices that were often transmitted orally. Readers interested in horology, mechanical engineering, the history of technology, or the material culture of precision will find this book especially rewarding. It offers a disciplined entry into the heart of the timepiece, showing how apparently small mechanical interactions govern accuracy, durability, and motion. Even for the general reader, its close attention to mechanism reveals the intellectual elegance underlying traditional clockmaking and makes Watch and Clock Escapements a valuable document of practical science.
Audiobook details
GenreTechnology
Length5 hrs 56 mins
Narrated byListen with 1,000+ voices
FormateBook with Audio
Publish dateNov 26, 2023
LanguageEnglish
Table of contents
1Yiddish Tales (Annotated)
2THE AMOUNT OF LOCK.
3ADVANTAGE OF MAKING LARGE DRAWINGS.
4THE CLUB-TOOTH LEVER ESCAPEMENT.
5RELATIONS OF THE SEVERAL PARTS.
Show all chaptersShow less
6LOCATING THE INNER ANGLE OF THE EXIT PALLET.
7CLUB-TOOTH LEVER WITH EQUIDISTANT LOCKING FACES.
8ANGULAR MOTION OF ESCAPE WHEEL DETERMINED.
9A DEPARTURE FROM FORMER PRACTICES.
10AN APT ILLUSTRATION.
11LOCATING THE OUTER ANGLE OF THE IMPULSE PLANES.
12MAKING AN ESCAPEMENT MODEL.
13MAKING THE BRIDGES.
14IMITATION RUBIES FOR CAPPING THE TOP PIVOTS.
15PROFITABLE FOR EXPLAINING TO A CUSTOMER.
16HOW LARGE SCREWS ARE MADE.
17FANCY SCREWHEADS.
18HOW TO DO ACID FROSTING.
19HOW TO PREPARE THE SURFACE.
20HOW TO ETCH THE SURFACE.
21TO TEMPER AND POLISH STEEL.
22HOW FLAT STEEL POLISHING IS DONE.
23SMOOTHING AND POLISHING.
24KNOWLEDGE THAT IS MOST ESSENTIAL.
25WHAT A WORKMAN SHOULD KNOW TO REPAIR A WATCH.
26EDUCATE THE EYE TO JUDGE OF ANGULAR AS WELL AS LINEAR EXTENT.
27FORK AND ROLLER ACTION.
28HOW TO FIND THE ROLLER DIAMETER FROM THE LENGTH OF THE FORK.
29WHY THIRTY DEGREES OF ROLLER ACTION IS ABOUT RIGHT.
30HOW TO SET A FORK AND ROLLER ACTION RIGHT.
31HOW TO DELINEATE A FORK AND ROLLER.
32TO DETERMINE THE SIZE OF A JEWEL PIN.
33THE THEORY OF THE FORK ACTION.
34HOW TO DELINEATE THE PRONGS OF A LEVER FORK.
35THE PROPER LENGTH OF A LEVER.
36HOW TO DELINEATE THE SAFETY ACTION.
37RESTRICT THE FRICTIONAL SURFACES.
38BE FEARLESS IN REPAIRS, IF SURE YOU ARE RIGHT.
39STUDY OF AN ESCAPEMENT ERROR.
40HOW TO ADJUST THE PALLETS TO MATCH THE FORK.
41HOW TO SET A JEWEL PIN AS IT SHOULD BE.
42ABOUT JEWEL-PIN SETTERS.
43HOW TO MAKE AN ANGLE-MEASURING DEVICE.
44HOW THE ANGULAR MOTION IS MEASURED.
45TESTING LOCK AND DROP WITH OUR NEW DEVICE.
46A FEW EXPERIMENTS WITH OUR ANGLE-MEASURING DEVICE.
47HOW TO MEASURE THE ANGULAR MOTION OF AN ESCAPE WHEEL.
48HOW A BALANCE CONTROLS THE TIMEKEEPING OF A WATCH.
49HOW BAROMETRIC PRESSURE AFFECTS A WATCH.
50PROPORTIONS OF THE DOUBLE-ROLLER ESCAPEMENT.
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