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4 Matching Results
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North Texas Hospital for the Insane Annual Report: 1914-1916
Annual report of the North Texas Hospital for the Insane, providing data about operations, updates about programs, and other information related to activities at the hospital.
Date:
1917
Creator:
North Texas Hospital for the Insane
Object Type:
Report
System:
The Portal to Texas History
Trap.
Patent for an animal trap, the unique elements of which are found in the "combination and arrangement of parts" (lines 16-17). Improvements include but are not limited to the addition of an open-ended case, a depressed platform and various links.
Date:
October 9, 1917
Creator:
Ward, Robert Gillespie & Clayton, John Taylor
Object Type:
Patent
System:
The Portal to Texas History
Sulky-Plow
Patent for the design of a plow that can "overcome obstacles without injury to"(lines 14-15) to the machine. It also includes a new design for a plow foot spring, in addition to an element that allows the foot spring to be adjusted quickly by there operator.
Date:
April 24, 1917
Creator:
Sanders, John T.
Object Type:
Patent
System:
The Portal to Texas History
Automatic Alarm for Railroad Crossings
Patent for alarm for automatic railroad crossings to alert those nearby of an oncoming train.
Date:
February 13, 1917
Creator:
Price, Henry A.
Object Type:
Patent
System:
The Portal to Texas History