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Coin Operated Electrical Weighing Scale.
Patent for a new and improved coin-operated electric weighing-scale. This design consists in "the combination of the chute-section adapted to receive a coin or similar metallic piece, and having insulated electrical conductors, a weighing machine having its indicator disconnected from the main portion of the weighing mechanism, a stop on said main portion to limit the movement of the indicator when released, a latch for securing said indicator at the zero-point, and electrical connections between said chute-section and latch" (lines 114-123).
Date:
June 21, 1887
Creator:
Smith, William R.
Object Type:
Patent
System:
The Portal to Texas History
On the Fossil Faunas of the Upper Devonian: the Genesee Section, New York
From letter of transmittal: The present report includes special discussion of the faunas of the Hamilton group and of those below the black shales of the Genesee group is omitted.
Date:
1887
Creator:
Williams, Henry Shaler
Object Type:
Report
System:
The UNT Digital Library