U.S. patents covering time keeping mechanisms (1892)
United States. Patent Office · [Washington : United States Patent Office] · leaf 331
# Jf^.A? JE 5ft a- *~h- • II B si VJ !?*57^^^1 ^0 19U8Jrj6 J5J4.Z3U< Ul JO 3 8 / < i 4 J ^ i EU <^ [A -4 z 3S 9 I J-5 JJX4 I5I6 is r* ji u1Is ||jL* fsf oz ei si 4i9csi irerze 7for e 9 4 9 s * e z- r JFSff.S X … J[nve7ttor: JOlC^^o^t-^ t//ltys. THE fonws ftTCRS CO . P United States Patent Office, DAVID E. PURSELL, OF MAUCII CHUNK, PENNSYLVANIA.TIME-RECORDING MECHANISM. SPECIFICATION forming part of Letters Patent No. 483,767, dated October 4, 1892. Application filed July 1,1892. Serial No, 438,714. (No…
Clocks and watches
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