John Cole

Specification of John Cole and Joseph Cole - Watches - No. 1833

Catalogue no: 1064
Dewey No: Subject(s): Patents
Author(s): John Cole, Joseph Cole
Total pages: 5 Illustrations: 1 fold out Language(s): English Publication date: 1861, 20th July
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
Related titles: Related library records:
Notes:
Relates to; "An Improvement in the Construction of Watches". The patent describes a method by which a centre seconds watch may be made to have dead beat action. This involves an additional small spring in a spring barrel attached to the forth wheel, plus a fly which is released every second.
Room location: Library Cabinet: Q Shelf: 4
Search terms:
Make a research enquiry about this item
Syndicate content