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4 Matching Results
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Stationary Boiler.
Patent for a new and useful improvements in stationary boilers for " marine, locomotive, and stationary purposes" (line 14- 15).
Date:
January 4, 1898
Creator:
McCallum, Daniel W.
System:
The Portal to Texas History
Grass-Cutter
Patent for a grass cutter adapted to be mounted on some part of a train of cars. The object of this invention is to provide a cutter which will cut the grass from railway tracks and to adapt the device for easy attachment to a truck of the car.
Date:
January 4, 1916
Creator:
Doak, John S.
System:
The Portal to Texas History
Printing Rule and Slug and Type-Form.
Patent for rules and slugs that are quickly and easily arranged and that lock securely to make a type form, including one illustration.
Date:
January 4, 1921
Creator:
Markwell, Andrew E.
System:
The Portal to Texas History
Silo
Patent for improvements in silos, particularly in the means of tightening the boards and bracing the silos. The object of the invention is to provide a silo which will be easily put together and braced and which can be kept in an air-tight and a liquid tight condition, and to provide means for bracing the silo and for locking the boards in place.
Date:
January 4, 1916
Creator:
Crady, Charles C.
System:
The Portal to Texas History