. The street railway review . —(ai6-i). should blow to the atmosphere so that the steam may escape andthus avoid blowing the grease and gum into the drainageBlowing the drip main to the atmosphere also furnishes a meansfor observing the condition of the wash water. WATER COLUMNS AND STEAM steam and water connections to water columns will betaken as one subject. It is essential that water column connection* 96 STREET RAILWAY REVIEW [Vol. XVI, No. 2. for both steam and water be provided with means for easily clean-ing and inspecting. The steam connection to the column shouldbe well dra
. The street railway review . —(ai6-i). should blow to the atmosphere so that the steam may escape andthus avoid blowing the grease and gum into the drainageBlowing the drip main to the atmosphere also furnishes a meansfor observing the condition of the wash water. WATER COLUMNS AND STEAM steam and water connections to water columns will betaken as one subject. It is essential that water column connection* 96 STREET RAILWAY REVIEW [Vol. XVI, No. 2. for both steam and water be provided with means for easily clean-ing and inspecting. The steam connection to the column shouldbe well drained, either to the boiler or to the column. If valvesare used in the connections they should show, in an unmistakableway, whether they are open or shut. The steam connection to a water column is often made withbends and elbows thus providing no facilities for inspection. Eventhough the steam connection is not liable to scale or becomeblocked, it is certainly safer and more in line with good operating practice to he able to. know positively that the steam branch isclear. The connectionshown in Fig. IIS—(A18-1) has the steam andwater connections madewith cross and plugs. Theplugs should be longthreaded and made of solidbrass. The column shownis faced for flanged con-nections and for attachinga supporting bracket. Thecolumn manufacturer will
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
