The Practical Watch Escapement
(Sprache: Englisch)
The Practical Watch Escapement explains the action of the escapement in terms accessible to both expert and layman.One of George Daniels' central contributions to horology is his co-axial escapement. Having observed that the dominant lever escapement...
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The Practical Watch Escapement explains the action of the escapement in terms accessible to both expert and layman.One of George Daniels' central contributions to horology is his co-axial escapement. Having observed that the dominant lever escapement begins to change its rate after a year or two - a disturbance caused by the sliding action of the impulse elements of the escapement - Daniels set about developing a mechanism that avoided this problem.The result of his efforts was the co-axial escapement, a mechanism in which he sought to combine the strengths and eliminate the deficiencies of existing watch escapements, the lever escapement foremost among them. First devised in 1977, today it remains largely the same as fitted in watches of Daniels' own manufacture, as well as those of several wrist-watch manufacturers.The text is accompanied by a series of detailed line drawings.
Inhaltsverzeichnis zu „The Practical Watch Escapement “
ForewordIntroductionGeneral PrinciplesVerge EscapementCylinder EscapementVirgule EscapementDuplex EscapementLever EscapementEscaping AngleLever AngleThe Draw AngleThe Balance RollerThe Pallets and Escape WheelDetent EscapementThe Unlocking AngleThe Angle of DrawThe Locking StonePivoted DetentThe Impulse AngleRadial Impulse at Each VibrationRobin EscapementEchappement NaturelSummary Detached Escapements without lubricantIndependent Double Wheel Escapement Double Radial Impulse with Single WheelCo-Axial EscapementExtra Flat Co-Axial EscapementSymmetrical Co-Axial EscapementPhotographic Plates
Autoren-Porträt von George Daniels
George Daniels, CBE, HON DSC, FSA, FCGI, FBHI, FAWI was a practising horologist with over fifty years' experience in both antiquarian and modern watchmaking and was a past master of the Worshipful Company of Clockmakers. In addition, he was an expert on the history and development of the watch, with special emphasis on the precision period of the late eighteenth and early nineteenth centuries. He was unrivalled as a sympathetic restorer of important time pieces, especially those made by Breguet. Amongst his awards for his contribution to the art and science of watchmaking including the design of his own escapements were the Tompion Gold Medal, The British Horological Institute Gold Medal, The City and Guilds of London Gold Medal, The Arts Sciences and Learning Award of the City of London and the Victor Kullberg Medal of the Stockholm Watchmakers' Guild.
Bibliographische Angaben
- Autor: George Daniels
- 2016, 96 Seiten, 8 farbige Abbildungen, Masse: 19,8 x 26,7 cm, Gebunden, Englisch
- Verlag: Philip Wilson Publishers
- ISBN-10: 085667687X
- ISBN-13: 9780856676871
- Erscheinungsdatum: 06.12.2016
Sprache:
Englisch
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