Titles written by J.H. Gerry:
Number of documents found: 1
- J.H. Gerry
Title: US Patent No. 349,493 - J.H. Gerry - Electro Mechanichal Synchronizer for Clocks - Patented sEP. 21, 1886
Keywords: electromechanical clock
Other Keywords: pATENT
Parent Document ID: 15068 - Parent Document Title: US Horological Patents - Various Photo Copies
Edition: 349,493
Page or pages: 4
BHM No: 15242
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