. The street railway review . FIG. REiAR PLATFORM SILL. provided and forms to fit into the channels. For offsetting, theforms and dies are placed as shown in the sketch. Fig. 11, theblocks c and b being about 10 in. long and the blocks a and d ofdimensions corresponding to the width of the transom member tobe cleared. For bends like B and C only the filling pieces for the channel are. FIG. FOR OFFSETTING. needed, but for bends like D and E there is required a third narrowpiece, beveled at top and bottom to match the channel when bent,which is placed between the filling piece

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. The street railway review . FIG. REiAR PLATFORM SILL. provided and forms to fit into the channels. For offsetting, theforms and dies are placed as shown in the sketch. Fig. 11, theblocks c and b being about 10 in. long and the blocks a and d ofdimensions corresponding to the width of the transom member tobe cleared. For bends like B and C only the filling pieces for the channel are. FIG. FOR OFFSETTING. needed, but for bends like D and E there is required a third narrowpiece, beveled at top and bottom to match the channel when bent,which is placed between the filling pieces and serves to preserve thesharp corners in the outer flange. The most difficult of these bendsare made with only two heats. Another interesting device is a roll for bending cold ij^xi^xS-16 in. angles used for cable racks in tunnels which the company is

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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads