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Scientific American, Vol. 92, No. 5 (1905) (1905)

leaf 11

An illustration from Scientific American, Vol. 92, No. 5 (1905), 1905, leaf 11
produced by pulling the nozzle outward connected with brackets H, which are attached to the of the disk. In operation, when the door-knob is against the force of the spring. With each oil can a vehicle at any convenient point. Owing to this spring turned, the sector B turns with it and, through the… … AUTOMATIC DOOR ALARM. DRIVER'S WORK.

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