1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Electrical Horometer.
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" (lines 1-8).
Date:
November 29, 1887
Creator:
Hammond, Benjamin M.
System:
The Portal to Texas History