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4 Matching Results
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[Six Men by Bus]
Photograph of six men standing by a bus. The bus has the words "Eastern Texas Electric" on it and the word "garage" can be seen written on the building in the background. The men are wearing hats and formal attire. There is also another bus behind the bus the men are standing in front of. A tree can be seen on the right in the background.
Date:
October 31, 1929
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
Player Piano
Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
Date:
January 31, 1922
Creator:
Pace, Vara L.
Object Type:
Patent
System:
The Portal to Texas History
Trailer.
Patent for trailers for attachment to trucks that is strong and compact and will not be distorted by the turning of the trailer relative to the truck.
Date:
August 31, 1920
Creator:
Feigelson, Alexander
Object Type:
Patent
System:
The Portal to Texas History
Templet.
Patent for templets or steel models used in building ships. The steel can be easily shaped into parts.
Date:
May 31, 1921
Creator:
Nies, Gershom John
Object Type:
Patent
System:
The Portal to Texas History