. Locomotive engineering : a practical journal of railway motive power and rolling stock . ed in,-i ]l 111,, .lie both ina liquid-.(.d< , iiii\ 111 I hi ,111, und stir with abaxel ulmn it bu:, LijukJ enough so that it willonly char tht hozel rod, break it up intosmall grains in an iron mortar, and thentry iu menu on another scrap of brass. Ifthis new composition, now to be used asspotter, is found to require too much heat,melt it again and add a little more linc,until it will run with safety to the work inhand—that is, without fear of burning thepart* adjacent to the joint, or ha
. Locomotive engineering : a practical journal of railway motive power and rolling stock . ed in,-i ]l 111,, .lie both ina liquid-.(.d< , iiii\ 111 I hi ,111, und stir with abaxel ulmn it bu:, LijukJ enough so that it willonly char tht hozel rod, break it up intosmall grains in an iron mortar, and thentry iu menu on another scrap of brass. Ifthis new composition, now to be used asspotter, is found to require too much heat,melt it again and add a little more linc,until it will run with safety to the work inhand—that is, without fear of burning thepart* adjacent to the joint, or having thecramps fall off from excessive heat. Brassmade to have a silvery hue when polishedis always difficult to work, and requires theutmost vigilance while being brated toge-ther, and much expenonce is necessary uswell in theproporationof the work for thatoperation. In some instances it is neces-sary to add a little silver lo the spelter inaddition to the line, which will reduce f beat necessary to run it, and addimiih to Its malleability. The quantity re-ssorily depend. suppose wc have a jobsimilar to that ofmoldings shown in Figs. SB and 89, rcqing a strip of sheet brass 11 inches wdbe joined and brascd together; then t to prepare a frame from a piece of >j-inchboiler plate. Fig. ga, in the shopo of ahorseshoe, some 4 or s inches wide, andabout 15 Indies long la the legs; also two It may be well to notice here some ofthe many alloys colled brass, and their The following have been collected in apromiscuous way as opportunity offered,and are here presented for the benefit ofthe boys and those interested : Bristol Brass 16 f, Munte Metal 16 m« Pale Yellow Brass 16 12 a suitable T-stcak, Fig. gj, wherethe first course is executed to give thecurve to the large end of the frustum ring,and thus stiffen it enough so that it can behandled without fear of collapse. Whenthis is finished it is turned the other sideup, and the arch flange for the band is laidoff on a s
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Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892
