ned. The band is perforated so that the air and water so as to give a sight and a sound signal at the same time. respiratory movements may be repeated fifteen to eighteen contained in the channels of the under roller are utilized by This device might be useful in foggy weather, when loco- times in… … the clothing. The machine is designed to be used in an or- compressing air by water pressure. Two cylinders, placed flag, or when the latter is altogether, at short distances, ob- dinary washtub. side by side, have an inlet pipe, B, and an outlet valve, C, scured by the fog. In order to prevent the…
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