s record of the speed of the ship, and the course she was the graphic registration of time. It consists, in prin- of locating his position can be followed, and special in- on, at every moment of time during which the "dead ciple, of a watch having an anchor escapement of fine terest attaches to the… … 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, which…
Canal · Motor · Panama · Munn · Scientific American · Cents · Tific american · Post office · American supplement · York city · American supplements · Water motor · Average speed · Grubb sight · Panama canal
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