Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 286
engagement with other hooks forming theterminals of the circuit wires, the lamp being pressed downward,so as to bring the hooks into engagement by the spiral springinto which its neck is inserted. The lamp connection is shown in Fig. 139, and is simply anebonite stud with a plug screw for… … Fig. 14L 268 THE ELECTRIC LIGHT. to be screwed into its support. Figure 142 shows the Swanship lamp. Figure 143 shows a form of bracket lamp, andfigure 144 a table lamp. Figure 145 shows an arrangement of the Swan ship lampadjusted to oil fixtures, and figure 146 an ornamental specimen-electrolier.…
Electrical engineering
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