Mechanical Contracting & Plumbing January-December 1909 . ecorders, am-meters, two General Electric watt metersand Westinghouse circuit breakers. An indicator board contains Bristolrecorders, giving outside temperature,pressure gauges for low and high pres-sure sleam and temperature of stockgases after passing through the econom-izer. The economizer is a Sturtevant of1,000 capacity. The chief engineer and superintendent df the Gurney Oxford Economizer,the latest contrivance for economizingheat and fuel, which was patented inOctober last and which was noticed inan earlier number of Plumber
Mechanical Contracting & Plumbing January-December 1909 . ecorders, am-meters, two General Electric watt metersand Westinghouse circuit breakers. An indicator board contains Bristolrecorders, giving outside temperature,pressure gauges for low and high pres-sure sleam and temperature of stockgases after passing through the econom-izer. The economizer is a Sturtevant of1,000 capacity. The chief engineer and superintendent df the Gurney Oxford Economizer,the latest contrivance for economizingheat and fuel, which was patented inOctober last and which was noticed inan earlier number of Plumber andSleamfitier. The book is fully illustrated,and the diagrams and tables give minute-ly much information regarding construc-tion and heating surfaces that shouldhe invaluable to plumbers and1 heatingmen. A reference index that shows ala glance where to obtain the in forma tioflrequired concludes the Companion. SCHOOLS TO HAVE BATHS. The Chicago Board of Education hasdecided that every public school in the CowD To TBAR. ECONOMIiTIN6 COIL. ////mJ///////. ^ .Supins Stop ^Tn Reti COLD AIR INLET -TO RETfftN 1*1*1/* or Sewer Method of Connecting Trap and Setting Meter, Piping being extended for Con-venience in Showing Parts. of Ihe Central Heating Plant is E. Fitz-gerald. HEATING ENGINEERS COM-PANION. Four good rules on how to figureradiation: the way to order angle radi-ators; the size of mains; hints on chim-neys and Hues for archittcts and build-ers; these are some of the contents ofthe handy little cloth-bound HeatingEngineers Companion issued by theGurney Foundry Co.,. Toronto. Thebooklet describes the hot water andsteam heating lines manufactured by thecompany, and the lists, ratings and datatherein are brought down to date. TheCompanion opens with a description city will soon be provided with adequatebath room facilities. It was set forth ina report from the school managementcommittee that eighteen schools, wereentirely lacking in bath rooms and thir-teen others were provide
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