Resource Type
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4 Matching Results
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Spur.
Patent for a spur that can be attached and removed easily from boot heels, with instructions and illustrations.
Date:
March 30, 1880
Creator:
Tytler, Alexander D.
System:
The Portal to Texas History
Electrical Testing Device.
Patent for "improvements in electrical testing devices, and more specifically to an improved fluxmeter for testing the strength of magnets" (lines 13-15).
Date:
March 30, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Electrical Testing Device.
Patent for an electrical device with an improved circuit arrangement in combination with various devices all assembled in compact arrangement on a board which enables to easily locate faults in various electrical apparatus or parts. This electric device is capable of use by anyone who isn't skilled as an electrician.
Date:
March 30, 1920
Creator:
Bierbower, Richard C.
System:
The Portal to Texas History
Dry Outhouse
Patent for the invention of new and useful improvements in dry outhouses. It includes explications and illustrations.
Date:
March 30, 1886
Creator:
Carrico, Thomas W.
System:
The Portal to Texas History