Electric Lighting for Ships (page 1/3)

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Figs. 15 and 16.—Showing Siemens’ Alternate Current Dynamo, with its Excitor.

Fig. 15 shows the only form of alternator that has been used on board ship [as of 1892]. It is of the Siemens pattern; having, as already explained, a double crown of short field-magnets with the [...] [more...] [$]

Front cover from Electric Lighting for Marine Engineers

A dark red cover with an illustration of a battleship in black; in gold, a beam of light from the ship’s mast illuminates a smaller, distant, floating ship or submarine. [...] [more...] [$]

Fig. 69.—Showing Internal View of Tumbler Switch.

“Figs. 69 and 70 are inside and outside of the tumbler switch. The base of this switch is sometimes slate and sometimes porcelain. In larger switches, the “chopper” switch, which corresponds to the tumbler in small switches, is now the [...] [more...] [$]

Fig. 72.—Author’s Main Switch—Bent Spring Pattern.

“Figs. 72 and 75 show the author’s form of large switch.” [$]

Fig. 61.—Guarded Portable Lamp Fitting.

“Fig. 61. shows a portable guarded fitting intended for portable lamps, for holds, etc. A flexible cable is attached to it and a switch placed at the point of conection.” (p. 152) [more...] [$]