Resource Type
Counties
2 Matching Results
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Bell-Ringer.
Patent for a bell ringer for use in locomotives, with instructions and illustrations.
Date:
October 15, 1891
Creator:
Baker, John L.
System:
The Portal to Texas History
Nut Lock.
Patent for a new and improved nut-lock. This design "is an improvement in that class of nut-locks in which so-called 'jam-nuts' are turned up on the bolt against the nut to be locked; and the present invention lies, mainly, in the particular construction of the end or ends of the thread of the locking nut or washer by which to more securely and effectually lock the nut in place on the bolt" (lines 8-15).
Date:
May 24, 1892
Creator:
Terry, David C. & Maltby, William J.
System:
The Portal to Texas History