Electrical Horometer.
Description:
Patent for a new and improved electrical horometer. This design consists, in addition to a switch-board with electric circuit terminals, "of a bell-crank lever pivoted to the switch-board and making the connection between said terminals, said lever having at one end a handle and at the other end a detent engaging with the ratchet-wheel when the circuit is opened, the said wheel being mounted upon the extended portion of one of the shafts of a clock or other suitable registering mechanism" (line…
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Date:
November 29, 1887
Creator:
Hammond, Benjamin M.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department