. Water & sewage works . opted by the AmericanSociety for Testing Materials; the methodfor testing cement of the American So-ciety of Civil Engineers; the standardspecifications for concrete reinforcementbars rolled from billets, adopted by theAssociation of American Steel Manufac-turers; and the specifications for concreteof the Pittsburg Testing Laboratory. The Pedestal Pile is a 64-page bookfor engineers, architects, owners and con-tractors, describing the pedestal concretepile and discussing the relative merits ofwooden and concrete piles of varioustypes. It is issued by the MacArthurConcr

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. Water & sewage works . opted by the AmericanSociety for Testing Materials; the methodfor testing cement of the American So-ciety of Civil Engineers; the standardspecifications for concrete reinforcementbars rolled from billets, adopted by theAssociation of American Steel Manufac-turers; and the specifications for concreteof the Pittsburg Testing Laboratory. The Pedestal Pile is a 64-page bookfor engineers, architects, owners and con-tractors, describing the pedestal concretepile and discussing the relative merits ofwooden and concrete piles of varioustypes. It is issued by the MacArthurConcrete Pile and Foundation Co., of NewYork, Philadelphia and Chicago. The Rockford railway motor cars areillustrated and described in Catalog of the Chicago Pneumatic Tool Co.,Chicago, 111., and Bulletin 34R is devotedto Chicago pneumatic compressors. The Mixer Is a periodical reminderof the Koehring Machine Co., Milwaukee,Wis., that they make concrete mixers. October, 19)3 \.l. \!.V. No. 5 r, 1913. Twenty-five J^^^^^^^^^^^l ^» jpji J V ^K I^^^^^^^^^Bf gaz|g^8 F 1 ^^^^^^^B|^t^^^^ --*?( i i ^?1^ty ^^^ ^MMfci^^tJ^^^Ti 1 1 South West Lflnd Tunnel—Chioafto, Down Seventy-third Street Shaft. 1

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191