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2 3/4" X 3 7/8" (70mm X 99mm)
(Around thread base) OAKMAN'S PATENT JULY 26, 1870
Photograph courtesy Bob Berry |
CD 728.7: USA
|
2 3/4" X 3 7/8" (70mm X 99mm)
(Around thread base) OAKMAN'S PATENT JULY 26, 1870
Photograph courtesy Bob Berry |
This style can also be found unmarked with a standard pinhole. The version shown matches the Samuel Oakman July 26, 1870 Patent date for the locking pin.
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