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Indicating Attachment for Tanks
Patent for an indicating attachment for gas tanks on cars.
Date:
May 28, 1912
Creator:
Turner, Joseph B.
System:
The Portal to Texas History
Combined Book and Pencil Holder.
Patent for a book and pencil holder that mounts a pencil or pen and attaches to a book. The combined book and pencil holder uses a clamp so the pen or pencil attached to the book inside a pocket is maintained in a pocket and does not fall out.
Date:
May 13, 1913
Creator:
Colbert, Charles W.
System:
The Portal to Texas History
Firing-Valve to Control the Feed of Oil in Firing Oil-Burning Locomotives.
Patent for valve changes that "provide a valve operating means whereby the valve may be very finely adjusted and prevented from being casually turned" (lines 16-18).
Date:
May 15, 1917
Creator:
Gilman, Benoist P.
System:
The Portal to Texas History