Specification of George Philcox - Marine Chronometers and other Time-Keepers - No. 730

Catalogue no: 1053
Dewey No: Subject(s): Patents
Author(s): George Philcox
Total pages: 4 Illustrations: 1 fold out Language(s): English Publication date: 1852
Editor: Publisher: The Queen's Printing Office
Dimensions: 290mm x 200mm Condition: Blue covers fragile and torn
Related titles: Related library records:
Notes:
Relates to; "Improvements in Marine Chronometers and other Time Keepers". The patent describes six innovations as follows; 1. The impulse or method of giving and receiving the blow 2. The peculiar train adapted for my escapement in obtaining half seconds with the fifth wheel 3. A new application or construction of the balance 4. The method of jewelling the staff with a solid ruby or other stone instead of a hollow roller as now used 5. The application of the double convelute springs 6. The application of the compensating properties as applied to the pendulum Reprint of 1854
Room location: Library Cabinet: Q Shelf: 4
Search terms:
Make a research enquiry about this item