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Improvements in Attachments for Lathe Head-Stocks
Patent for an attachment for lathe-head stocks. It is "a device that may be readily adjustable to provide a backing... that may be gripped by the chucks of a jewelers or watch-makers lathe" (lines 26-29).
Date:
January 9, 1912
Creator:
De Long, Charles E.
System:
The Portal to Texas History
Telephone Signal Device
Patent for telephone signal device.
Date:
January 9, 1917
Creator:
Boyd, Ura M.
System:
The Portal to Texas History