Peter Litherland

Specification of Peter Litherland - Escapement for Timepieces - No. 1830

Catalogue no: 1010
Dewey No: Subject(s): Patents
Author(s): Peter Litherland
Total pages: 2 Illustrations: Yes, I fold out Language(s): English Publication date: 1791
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile
Related titles: Related library records:
Notes:
A description of the rack lever escapement as follows; "An Entire New Escapament to be applied to Watches or Clocks, or Dials called Watches or Clocks, for the Use both of Sea and Land, which Acts upon an Entire New Principle, prodicing Greater Certainty of Time than any hitherto Invented, being more Simple and less liable to be out of Repair, and when Repaired effected with less Danger to the Mechanical Principles on which is Constructed, than former Watches &c;" Reprint of 1856
Room location: Library Cabinet: Q Shelf: 4
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