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Oscar Hanks, son of Julius Hanks,
succeeded Alpheus and Truman Hanks in 1834. He was based in Troy N.Y. from
1831 - 46. All were makers of surveying instruments (1). |
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"O. Hanks Troy N.Y. Patents"
Julius Hanks recieved a patent for an improved needle and hoop compass
sight on July 22, 1833. The patent is not available on the U.S. Patent
Office database, possibly due to the fire of July 4, 1836. The patent number
would seem to fall between X7668 and X7677. |
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Sight vernier reads 30 - 0 -30
on the bottom, 40 marked above the 20, and 50 above the 10. |
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Scale reads 60 - 0 - 70 degrees
from the base to the top of the bow. |
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"Bainsmaid and Hildreth Ex 35
(degrees)" written in pencil on the inside of the case. |