English

Noun

oscillograph ‎(plural oscillographs)

1. An instrument for measuring alternating or varying electric current in terms of current and voltage.
   • 2009, January 26, “Dennis Hevesi”, in J. Lamar Worzel, Expert on Ocean’s Depths, Dies at 89:

     With Dr. Ewing brainstorming and Dr. Worzel leading the designers, the team slapped together precursors of more precisely manufactured measuring devices: a camera to take photos thousands of feet below the ocean’s surface, with a coffee-can lid for a flash reflector and a thick, diner-style drinking glass as its casing; a seismograph timed by a modified railroad pocket watch; an oscillograph, to record electrical changes, run by a motor from a toy electric train.

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