. Water & sewage works . to the sub-scriber has vastly increased. Todayhe can talk to an average of fivetimes as many persons in eachexchange as he could eighteenyears ago. This is the inevitable result of thecomprehensive policy of the BellSystem, which brings together theassociated Bell companies and thecommunities they serve. Through the very size and effi-ciency of their organization theyaccomplish improvements and effecteconomies which give the greatestservice at the lowest rates. American Telephone and Telegraph Company One Policy And Associated Companies One System Universal Service 498
. Water & sewage works . to the sub-scriber has vastly increased. Todayhe can talk to an average of fivetimes as many persons in eachexchange as he could eighteenyears ago. This is the inevitable result of thecomprehensive policy of the BellSystem, which brings together theassociated Bell companies and thecommunities they serve. Through the very size and effi-ciency of their organization theyaccomplish improvements and effecteconomies which give the greatestservice at the lowest rates. American Telephone and Telegraph Company One Policy And Associated Companies One System Universal Service 498 MUNICIPAL ENGINEERING Concrete Chimney Construction Reinforced concrete is becoming a mostpopular material for the construction ofall chimneys for power house, smelter,malleable iron furnaces, blast furnacesand in fact every purpose for which tallchimneys are required. It is good practice to compute a chim-ney for 50 pounds per square foot windpressure; this represents a maximum ve-locity, and is a conservative basis on. REINFORCED concrete chimney con-structed for Lehigh Portland Cement Mason City. la. Total height 208 feetii inches. which to figure. The importance of achimney in connection with any plant, itsuch a great factor that it is most import-ant that the chimney be in service orready for service at all times. The formula of Turneaure & Maurer, ofthe University of Wisconsin, as publishedin Principles of Reinforced Concrete Con-struction, 1910 edition, is considered thehighest authority on the subject of de-signing and calculating the stresses in re-inforced concrete chimneys. One of the tallest chimneys in the Unit-ed States is of reinforced concrete con-struction and is located in Butte, Mon-tana. It was constructed in 1905 for theColusa Parrott Mining and Smelting Com-pany and was built by the Weber Chim-ney Company, of Chicago. Another largechimney of the coniform type, built bythe Weber Chimney Company, was con-structed recently at Mason City, Iowa,for the L
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191
