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Air-Regulating Attachment.
Patent for a new attachment in a carburetor that regulates air through suction and has a valve to release pressure from an engine, including illustrations.
Date:
May 14, 1918
Creator:
Kimbler, Henry R.
System:
The Portal to Texas History
Tandem-Roller Attachment.
Patent for improved, simply constructed, and high-efficiency tandem roller attachments with the purpose of, "preventing surface waving of roadways," (lines 18-19) including illustrations.
Date:
May 14, 1918
Creator:
Brown, Frank O.
System:
The Portal to Texas History
Photography Exposure Meter
Patent for a Photography Exposure Meter, whereby the correct exposures may be obtained in the taking of pictures irrespective of weather conditions and the period of the day.
Date:
April 14, 1918
Creator:
Cady, Silas J.
System:
The Portal to Texas History