ed in covering coils, any number of which may be placed in the circuit. children's carriages is largely charged with lead, different stantly followed by definite orders to the fire brigade and po- There are also improvements in the air forcing apparatus lice stations nearest the fire. Having thus… … Mr. E. R. Dingley, of New York city, is the Fig. 4 shows a gong which is in use on the banks of the canals and rivers for the purpose of inventor of an improved Automatic Cut-off for Fig. 4.—FIRE ALARM GONG. steam engines, in which a novel arrangement of warning the fire boats moored in the…
Patents · Machinery · Boiler · Iron · Machine · Scientific American · Apparatus · Patent office · Lifting power · Fire brigade · Sand blast · Feed water · Safety steam · Sewing machine · American supplement · Steam power
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