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Boiler Feeder
Patent for boiler feeder. This invention is designed as a gravity feed automatic boiler. Illustration included.
Date:
March 28, 1905
Creator:
Finch, Clark Ethan
System:
The Portal to Texas History
Fire Alarm
Patent for a fire alarm. Illustration included.
Date:
December 28, 1909
Creator:
Andrews, Bolivar C.
System:
The Portal to Texas History
Secondary Electric Clock
Patent for a secondary electric clock. This invention uses a predetermined movement of the clocks hands thereby preventing any abnormal movement in a secondary clock controlled by a master clock. Illustration included.
Date:
May 28, 1907
Creator:
Guthrie, William S.
System:
The Portal to Texas History