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An Improved Construction of Electric Lamp Signalling Apparatus, specially applicable for Military purposes.
An Improved Construction of Electric Lamp Signalling Apparatus, specially applicable for Military purposes.
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机译:电灯信号装置的一种改进结构,特别适用于军事目的。
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摘要
2690. Stewart, C. J., and Stoodley, P. W. Feb 2. Lamp and flash signals.-Lamp and flash signal apparatus is mounted on a drum 6 which has perforations 7 for storing the batteries and a central perforation 8 for holding the lamp 9. The end plate 13 carries the switches 16, 17 for placing the batteries 19, 20 in circuit with the signalling-lamp 9 or the reading-lamp 10. The switch 32 also controls the circuit of the reading-lamp, and the signal interruptions are given by the switch 24. The drum 6 is housed adjustably inside a drum which carries the lens.
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