Specification of George Prior - Chronometers - No. 4214

Catalogue no: 1022
Dewey No: Subject(s): Patents
Author(s): George Prior
Total pages: 4 Illustrations: 1 Language(s): English Publication date: 1818
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper covers fragile
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Notes:
An invention , "For perfectly Detaching the Escape Wheel of Chronometers from the Influence of the Friction and Inaccuracies arising from the Main-Spring, the Pivots, and the Teeth, and all the other Wheels and Pinions in the Machine, during the Time of its giving Impulse to the Balance, whereby the Vibrations will be more accurately and uniformly supported than by any other Invention heretofore made public, which Invention will be much benefit and Utility for producing a superior Rate of Time-keeping." Malcolm Gardner, Horological Bookseller sticker on blue cover and first page. Reprint of 1857
Room location: Library Cabinet: Q Shelf: 4
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