arrier, and the non- drum is a pipe connecting with freezing mixture so formed quickly sets it free. the mud drums. This pipe is to supply the beating section far- 1^ < « > ^ A CUSHIONED EAB PIECE FOB THE TELEPHONE thest away from the center, BECEIVEB. where supply entetg from fire The illustration… … is being intro- cut) of such size as to allow the HEDGES' WATEB TUBE STATIONABT HABINE BOILEB. duced by Mr. C. Maynard Evans, 107 to 109 World feed water to enter the boiler Building, New York City. Its touch to the ear is soft, at the boiling point. These boilers are designed for has been caused…
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![An illustration from Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] (1906)](https://img.insideoutlibrary.com/img/200/ia-cu31924022817674-50-9.webp)
