Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 317
htemployed in illuminating the object to be examined. The instrument consists of an electric motor of the sim-plest kind mounted on a plate having a collar fitted to thesub-stage of the microscope, as shown in Fig. 304. The shaft,which carries a simple bar armature before the poles of themagnet,… … Microscopic Examination of Ciliated Organisms by Intermittent Light. MICROSCOPY. =95 olutions of the disk. The shaft carries a commutator, andthe course of the current from the battery through theinstrument is through the spring touching the commutator,through the shaft and frame of the instrument…
Physics · Lantern projection · Electric apparatus and appliances
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
