Specification of Charles Cummins - Clock Escapements - No. 1769

Catalogue no: 1054
Dewey No: Subject(s): Patents
Author(s): Charles Cummins
Total pages: 4 Illustrations: 1 fold out Language(s): English Publication date: 1853
Editor: Publisher: The Queen's Printing Office
Dimensions: 290mm x 200mm Condition: Generally good, cover frayed slightly
Related titles: Related library records:
Notes:
Relates to; "Improving Clock Escapements". The patent describes an escapement with a single roller or two rollers acting as pallets on a pin wheel type escapement Reprint of 1854
Room location: Library Cabinet: Q Shelf: 4
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