3 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Science and Technology - Tools"  
Results: 1 - 3

Watch-Barrel.

Description: Patent for a winding mechanism for watches, related to the barrel and rachet of the winding mechanism, with illustrations and instructions included.
Date: November 5, 1880
Creator: Martin, Josiah
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mechanical Movement

Description: Patent for invention has relation to mechanical movement and object is to provide a mechanical means for operating trip lever or other devices, and to this end the novelty consists in the system of lever cranks.
Date: July 28, 1885
Creator: Pickle, Obadiah A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen