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Shifting Camera Back.
Patent for a shifting camera back that allows a photographer to take a large number of photographs on a single plate or film, including instructions and illustrations.
Date:
September 15, 1914
Creator:
Moine, Selest E.
System:
The Portal to Texas History
Draft Attachment For Cultivators.
Patent for draft attachments for cultivators that would enable four to five horses to be used without having to alter the construction of conventional cultivators.
Date:
June 9, 1914
Creator:
Poff, Blan
System:
The Portal to Texas History
Wrench.
Patent for an improved wrench which utilizes two circular heads, individually situated at the ends of a single handle.
Date:
January 13, 1914
Creator:
Johnson, Alva Putman
System:
The Portal to Texas History