Adolphe Lancon, junior

Specification of Adolphe Lancon, Junior - Watches - No. 504

Catalogue no: 1062
Dewey No: Subject(s): Patents
Author(s): Adolphe Lancon, junior
Total pages: 4 Illustrations: 2 fold out Language(s): English Publication date: 1859
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Paper cover fragile
Related titles: Related library records:
Relates to, "A New System of Watches". The text describes a new escapement of the frictional rest type although he it also describes the system as follows; "in those watches known as men's watches, the fouth catching, called escapement catching, is suppressed". The text and illustrations reveal an escapament that has some features of a cylinder escapament and some of a duplex escapament, designed pricipally for easy of manufacture.
Room location: Library Cabinet: Q Shelf: 4
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