. The street railway review . to the rails. The breakage on all welding done by the companys impprocess and comprising that mentioned is reported at less than 1per cent. In addition to controlling thi rights to the use of the II ton welding patent —es of rail welding, the C panv in granted patents on its improved process. fhese patentscover the stj used and the joint in general. Its process of • ally wilding cables t,, rail is also d\ ,-reil by patents. FIGURE 8 VS. ROUND TROLLEY WIRE. Although the power equipment of electric cars contimsteadily increase, yet very little attention is given to
. The street railway review . to the rails. The breakage on all welding done by the companys impprocess and comprising that mentioned is reported at less than 1per cent. In addition to controlling thi rights to the use of the II ton welding patent —es of rail welding, the C panv in granted patents on its improved process. fhese patentscover the stj used and the joint in general. Its process of • ally wilding cables t,, rail is also d\ ,-reil by patents. FIGURE 8 VS. ROUND TROLLEY WIRE. Although the power equipment of electric cars contimsteadily increase, yet very little attention is given to providing a of contact of the device which is current Large cars frequently require 300. or 400unpen in 1 d on grades, and the ana of contact li- the trolley wheel and wire i- usually too small to properly carrythis current. iily I made a few measurements to find the relative merit-of round and figure 8 wire in connection with the area of surface /f-r* cross-aee/ m Area oTccvf/sct #*oo/ipvresm^e •.07*. NEW CHASE-SHAWMUT FACTORY. Sin, • the Chase-Shan mul Co., of electrical specialties, has entirely reconstructed its greatl; nlarged scale and it now employ- over double the number of men it did when in the old plant. \ prominent fea- : tin- new installation i- a De Laval steam turbine for the generation of curn ith power and light for the factory. This turbine, for which the i New England agent, has rei Hon on the part of those interested in and lighting - have . and it is only recently that the De i in field in thi- country. Its • already overtaxed in fillingiwmul factory is in constantand efficient npany inviti pection at 390 Atlantic Avi */v* y c&>fac//#&oo/r/nf - . OS Secf/on on a-joI t0 the trolley wheel, and found thai the average CI area between the various styles of winds and the two types of wirewas considerably greater for figure 8 wire. With a 4i-in. wheel having a groove which was comparativelynarrow al the bottom, the contact with a No
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
