Portfolio Tag: 1910

Water Level Instrument Using Impulse Transmitter 1910

With the advent of the public telephone system many ingenious ideas were developed for sending water-level information from one place to another. The superintendent of a water-pumping station wanted to know the level of the source, perhaps a river or lake, and the level of the reservoir to which he was pumping. A float on…
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Fire Hydrant 1910

Fire hydrant. Make unknown. Little is known about this fire hydrant except that it was used at Rotherwas Camp, Hereford, from 1912 to 1914 as a point from which water at high pressure and volume could be taken for fire hoses.
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