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Switch Operating Mechanism for Electric Railways.
Patent for a switch-operating mechanism for electric railways that uses a movable display band to control movement through an electrically operated switch. The arrival of the railway car or street car at a point adjacent to the switch automatically throws the switch to automatically shunt the car from one line to another without a motorman or switchman's intervention.
Date:
May 25, 1915
Creator:
Craig, Richard M.
System:
The Portal to Texas History
Watch Protector
Patent for a watch casing that allows the watch face exposed. The protector can be clasped together and hung on a chain if desired.
Date:
May 11, 1915
Creator:
Kaak, Georgine
System:
The Portal to Texas History
Sanitary Attachment For Milk Pails
Patent for a dome lid that attaches to the top of a milk pail with two "tubes" in which to place the hands while milking a cow. The lid serves to protect the fresh milk from germs, dirt, and other contaminants.
Date:
May 18, 1915
Creator:
Williams, John Thomas
System:
The Portal to Texas History