Modern buildings : their planning, construction and equipment (1905)
Middleton, G. A. T. (George Alexander Thomas) · London : Caxton Publishing Company, Limited · leaf 214
crews on to the metal thread at O. P shows the glass globe broken away. The drawing in the left-hand top corner of the figure shows diagrammatically the manner in which the lamp is connected up. The current enters at the positive terminal, along the contact spring curvature a, through the heater b… … wm ~XA PLTAM CC Fig. 164A. heater, with the result that the current passes through composed of a thin rod of china-like material containing the electromagnet d, through the resistance e, through a large percentage of some alkaline earth, which has the glower f and back to the negative terminal. The…
Building · Architecture
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
