Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 194
ts. Bell circuits.—The diagram (Fig. 129) shows the mannerin which three bells and their push buttons are joined to onebattery. The battery is made up of three cells joined in series. It is usually placedin the basement, andthe bells in thekitchen. The but-tons, as shown, areplaced at the… … Fig. IDrawing Room Dining Room129. — Bell circuits. i8o PHYSICS OF THE HOUSEHOLD
Physics · Home Economics
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