Specification of John Gottlieb Ulrich - Chronometers - No. 5639

Catalogue no: 1029
Dewey No: Subject(s): Patents
Author(s): John Gottlieb Ulrich
Total pages: 5 Illustrations: 1 fold out Language(s): English Publication date: 1828
Editor: Publisher: The Great Seal Patent Office
Dimensions: 290mm x 200mm Condition: Blue paper cover fragile and torn
Related titles: See catalogue no. 1027 Related library records:
Notes:
Relating to, "Improvements in Chronometers". A further refinement of patent no. 5136 of 1825 (New Cat. No. 1027) Reprint of 1856
Room location: Library Cabinet: Q Shelf: 4
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