Modern American locomotive engines; their design, construction and management. A practical work for practical men (1883)
Edwards, Emory, b. 1841 · Bridgeport, Conn., Frederick Keppy · leaf 184
elieving it to bethe cheapest, and we will also say the best way of ap-plying crown-bar bolts. By an inspection of Fig. 53, the reader will observethat we have a plan differingfrom those previously described.We have a die to fit the bolt-machine or swage-block, witha hole through it to admit ]/^in.… … Fi in. to I in. of length. The bolts taper of must be heated as nearly as possible to thesame degree, then placed in the die and theround head of lyi in. diameter formed. Thethreads are to be cut in a bolt-cutter, which isall that is required to finish them. To preparethe crown-sheet for their…
Locomotives
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