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Boiler-Feed Regulator.
Patent for a new and useful boiler feed regulator, including instructions and illustrations.
Date:
September 20, 1898
Creator:
Mitchell, Charles Bradley
System:
The Portal to Texas History
Cattle-Guard.
Patent for a simple cattle-guard that provides an unstable footing for the cattle without injuring them, and thus preventing the cattle from going onto train tracks. The cattle do not get injured when stepping on this device.
Date:
February 20, 1894
Creator:
Brady, Peter L.
System:
The Portal to Texas History