Specification of John Hutton - Chronometers and other Timekeepers - No. 11,427

Catalogue no: 1045
Dewey No: Subject(s): Patents
Author(s): John Hutton
Total pages: 8 Illustrations: 2 fold out Language(s): English Publication date: 1846
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
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Notes:
Relates to; "Certain Improvements in Chronometers and other Timekeepers". The text and illustrations describe a number of inventions as follows; 1. Auxiliary compensation for chronometers 2. A barometric adjustment in the form of a mercury column for clocks 3. A compensation spring stud for watches 4. Improvement to the two-pin lever escapement 5. A new form of compensating pendulum 6. Compensation collets for balance wheel controlled timekeepers 7. Auxilliary compensation for pendulums A reprint of 1857 Malcolm Gardner, Horological Bookseller sticker on front cover and first page
Room location: Library Cabinet: Q Shelf: 4
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