International Library of Technology · Scranton, International Textbook Co. · leaf 89
plank, with tongued-and-grooved joints that should beleaded to make them tight, the Avhole being held togetherby cross bolts, as represented in the figure. Two iron rods R, R are placed across the top of the tank,to which are attached the terminals of the dynamo circuit,as represented at W, IV.… … Fig. 31. or heavy (:^-inch or thicker) sheet iron, cut with two pro-jecting lugs on the top, which are bent into hooks by whichthe plates are hung from the rods R, R. Cast iron will doequally well; two old ash-pit doors, for example, will makevery good plates, the rods being passed through the…
Electrical engineering
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