Specification of Seth Hunt - Escapement for Watches, Clocks, and Chronometers - No. 4128

Catalogue no: 1021
Dewey No: Subject(s): Patents
Author(s): Seth Hunt
Total pages: 4 Illustrations: I fold out Language(s): English Publication date: 1817
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper covers fragile
Related titles: Related library records:
Notes:
Relating to, "A New or Improved Escapement for Clocks, Watches and Chronometers." The escapement is named the Columbian Escapement and is a cross between a duplex and detent escapement
Room location: Library Cabinet: Q Shelf: 4
Search terms:
Make a research enquiry about this item