E/MJ : engineering and mining journal . leade out 1011 th material received ai 790 ENGINEERING AND MINING JOURNAL Vol. 102, No. 18 j,||iiiiiiniii;niinmiinniiiinii1liliiiililiniiliiiiliiiiiiililllillllllllilnlilllllllllllll[lllllllinillllinillllll Illlllllllllllllllllllllllll limn umnin miir niniiHiniii. iiniiMai ^TTHininillinHinM—nB >etts\iL , nil ilu urn an\( hn&eMiimii Slum iiiiiiniiniiiiiiiiiiiiiniiiiiiiiutii I ilium i m iiiiniiiinii inn iiiiiiiiiiiiiiiiiiu iimnmiiiiiiittii m miiiii iiiiimiiiii
E/MJ : engineering and mining journal . leade out 1011 th material received ai 790 ENGINEERING AND MINING JOURNAL Vol. 102, No. 18 j,||iiiiiiniii;niinmiinniiiinii1liliiiililiniiliiiiliiiiiiililllillllllllilnlilllllllllllll[lllllllinillllinillllll Illlllllllllllllllllllllllll limn umnin miir niniiHiniii. iiniiMai ^TTHininillinHinM—nB >etts\iL , nil ilu urn an\( hn&eMiimii Slum iiiiiiniiniiiiiiiiiiiiiniiiiiiiiutii I ilium i m iiiiniiiinii inn iiiiiiiiiiiiiiiiiiu iimnmiiiiiiittii m miiiii iiiiimiiiiiiiiiiiiiini iniiiiiiiiiiiiiiiimiiii i limn i mini niittiiiiiiiiiiiuip Fas© Hs^dltrsiEsft Usedl aft MSatnal At tho Miami Copper Co., Miami, Ariz., a novel firehydrant has been devised which obviates many disad-vantages of the old-time hydrant with hose and hydrants are placed so that any fire will be withinrange of one or more. The universal joint formed by theelbow being loose on the riser and the nipple carrying. MONITOK FIRE HYDRANT AT MIAMI, ARIZ. the angle nozzle connection being loose in the elbowallows the stream to be turned in any direction. Nohose is used. The nozzle is eylindrically bushed so thata solid stream is thrown. These hydrants are cheaplyand quickly made and fill the requirements look like young hydraulic giants. Effect of Tin on Mechanical Properties cf Steel has justbeen reinvestigated by J. E. Stead, and reported on at theautumn meeting of the Iron and Steel Institute. His resultsapparently show that Sn produces an increase in maxi-mum stress of tons and a decrease in elongation of 0,S%.Doctor Stead thinks it doubtful whether Sn wouldhave any material effect on the properties of structural that the use of 10 to lo/c of detinned scrap in steel forforgings, rails or plates, but they show that tin in sensiblequantity must be avoided, as it tends to make steel difficult toroll and hard and stiff when in
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries
