ometer, a and the latter when filed away constitutes an actual recent invention of Dr. A. Jaquet, is employed for record of the speed of the ship, and the course she was the graphic registration of time. It consists, in prin- on, at every moment of time during which the “dead ciple, of a watch… … portion of the hunting switch be- two hands, one of which indicates THE JAQUET GRAPHIC CHRONOMETER,. ing driven through suitable gear- the seconds and the other the ing by a small three-phase syn- minutes. Upon pressing a lever, chronous motor. The action of the mechanism is as with described,…
Internet Archive · Public domain (published before 1931). Free to use for anything.
