File:Handbook for architects and builders (1898) (14593016987).jpg

Identifier: handbookforarchi14illi (find matches)
Title: Handbook for architects and builders
Year: 1898 (1890s)
Authors: Illinois Society of Architects
Subjects: Architecture Building Architects
Publisher: Chicago
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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t Water Tank Rej^ulatorsReducing Valves for air, water, steamControl of Humidity Poised Mixing Dampers for two pipe systems JOHNSON SERVICE COMPANY H. W. ELLIS, Mgr. Chicago Office, 177 N. DEARBORN ST.THE USE OF The Powers System of Heat Regulation INSURES ^ The GREATEST ECONOMYThe GREATEST COMFORT The GREATEST SATISFACTION Catalogued in Sw^eets Index. Phone Central 6471 The Powers Regulator Co., 180 N. Dearborn Street, Chicago Recognized as the standard for 23 years on all questions relating to the better utilization of steam for heating purposes WARREN WEBSTER & CO. Main Office and Works, Camden, N. J. ESTABLISHED 1888 General Western Office, 1510 Monadnock BIdg., ChicagoAge + experience + organization service + perfect apparatus^Guaranteed Results Webster Standard System of Steam Circulation Webster Steam and Oil Separators Webster Modulation System of Steam Circulation Webster Air Washers and Purifiers Webst IT Feed Water Heaters, Purifiers and Filters Webster Expansion Joints
Text Appearing After Image:
NEW YORK BOSTON DENVER SPECIFY NATIONAL THERMOSTATS Catalogue E Ma.led on Request. NATIONAL REGULATOR CO. 540 Hariison St., Chicago PITTSBURG TOLEDO LOS ANGELES ST. LOUIS ST. PAUL LONDON 21: small interior courts and places well protected from north and west winds. For bath-rooms where a higher temperature is usually desired J is often made ^ instead of theusual niic. Kitchens where coal ranges are used, J is often made as low as .5, usually.75; but where there are no coal ranges J sliouid be made 1-lU less than the factorobtained for the above. ( V W G) (IE) < — + — +— (• ) — (9 = R. Q equals the desired square feet direct radiation (400 10 2 ) ( 1 ) .surface for a room. Q = R F J. E is usually taken as 10° higher than the minimum ( I-E )recorded temperature of the locality. I is taken as 70°. therefore the quantity - — y .9 I I )becomes a constant for auy given locality, for Chicago where the minimum tempera-ture is minus 20° the quantity is taken at 1.03. The diam

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