. The street railway review . « Thus narrowing clown tlie field of speculation, llie f|ui-stion ofamount and availability of. apparatus becomes a vital one, whichseems clearly outlined as follows: The electrical welding operation appears undoubtedly to requirethe most cumbersome and very nuich the most expensive equipment,to such an extent, indeed, that, except in case of the very largestsystems, private ownership would be virtually impossible, and allwork would necessarily have to be done through contractors. The zinc joint appears to rank next in point of expensive , but is followe


. The street railway review . « Thus narrowing clown tlie field of speculation, llie f|ui-stion ofamount and availability of. apparatus becomes a vital one, whichseems clearly outlined as follows: The electrical welding operation appears undoubtedly to requirethe most cumbersome and very nuich the most expensive equipment,to such an extent, indeed, that, except in case of the very largestsystems, private ownership would be virtually impossible, and allwork would necessarily have to be done through contractors. The zinc joint appears to rank next in point of expensive , but is followed very closely in this respect by the cast-weldedjoint. The lliennit welding process certainly recjuires very nuuli theleast expensive apparatus, and from this viewpoint stands in a classby itself. The relation of the joint to the abutting pavement incity streets is a much agitated question, but it has been shown be-yond dispute that this agilalion is needless, as the shape of the jointcan be regulated to meet the KIG. FOK IOIRINC. There are many minor points which might be taken up, andwhich can be brought out in discussion, but in the opinion of thewriter the meat of the entire subject, as it aflfects the great majorityof the electric railway interests, is in the relative cost of an efficient


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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads