. Electric railway gazette . eyare self-oiling, self-exciting, self-regulating, and,after being started, rojuire no attention. Theyare cotn|i<jimd wound and equally well adaptedfor electric lighting, electric railway, or powerpur(iOHe». A common difTIculty with a generator is spark-inK at the bnuhi-s, wliir:h is usually caused by the{tomti of comniutntion shif ling with the vurialionsin the IMI. It ban Utn the aim of ilie compiinyto oviTiroinc tluH difliriiliy, and that it lius iieendone i» provifl by lli<- fact that after the bru»lieshave >• the variations in tin- amountof current nn
. Electric railway gazette . eyare self-oiling, self-exciting, self-regulating, and,after being started, rojuire no attention. Theyare cotn|i<jimd wound and equally well adaptedfor electric lighting, electric railway, or powerpur(iOHe». A common difTIculty with a generator is spark-inK at the bnuhi-s, wliir:h is usually caused by the{tomti of comniutntion shif ling with the vurialionsin the IMI. It ban Utn the aim of ilie compiinyto oviTiroinc tluH difliriiliy, and that it lius iieendone i» provifl by lli<- fact that after the bru»lieshave >• the variations in tin- amountof current nnpiiliid liv lli genenitjr. On griiit mlviifii !(»,. Iinn-cted with lliit^; gen-eratora in <■ ini of the field and arninlure being pf with IIkw of the coiii- pnn;. i|<<iliir Kenerntorx. It has been able : friinim. U|lon which lliey run be Ml up iuwl run, iivlorv (hipping, so that every. GEARED DOUBLE CRANK PRESS conne(He<l gencrntorH is the conHtructlon of ihcnriimliire, which is of the iiirml iiiiprovid core IH iiuilt up with thin discs of siift iron,which arc forced together under pressure and Thai IIIguidance lay lie .I liiMi ,sii|i|ilto the l!ir«e mid ilelicatnary center gib liaH brcn abandoiuof the Blide are Bpread .ipan ao ikI .iceiiratce dies, the ordi-(1 and the waysto be as wide as Vol. XI. No. 8. STREET RAILWAY GA2ETTE. 77 the frame itself. This has also made it possible toleDgthen the ways considerably, without increas-ing the height of the frame. The illustrationshows the additional solidity and accuracy due tothis mode of construction. A new automatic friction clutch obviates en-tirely many of the difficulties experienced withthe regular automatic clutches on heavy backgeared presses. A pressure on the foot treadleshown releases the weight which actuate a pow-erful friction clutch ou the back shaft, thusstarting the press almost instanta
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyo, bookyear1895
