Henry Brocklebank

Specification of Henry Brocklebank - Timekeepers - No. 564

Catalogue no: 1057
Dewey No: Subject(s): Patents
Author(s): Henry Brocklebank
Total pages: 6 Illustrations: 1 fold out Language(s): English Publication date: 1858
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
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Notes:
Relates to; "Improvements in Chronometers, Watches and Timekeepers". The patent describes eight innovations as follows; 1. Bent or curved detent springs for chronometers 2. An improved method of applying the stop pin to the detent spring 3. The new use of a pin acting on the passing spring of a detent 4. A new method of fixing the jewel pallet in the roller 5. The construction of watches or timekeepers with a centre seconds hand mounted on a tube or collar placed over or outside the tube or boss of the hour hand 6. The improved method of generating motion to the centre seconds hand
Room location: Library Cabinet: Q Shelf: 4
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