Van Nostrand's eclectic engineering magazine (1869)
[New York : D. Van Nostrand] · leaf 498
effect was due partly 78 " 3.41 " 3.42 " 86 " the great extension of the metal, which 94 " 3.43 " enlarged the holes, and partly to a rolling 100 " 3.44 " oat of the metal as the bolts drew from 3.45 " 110 " 3.46 " 117 " their sockets in the sheet. 126 " S 47 " Lines of uniform extension seem to be… … closely the lines of magnetic fo^ce called, i was a " return tubular boiler," with no by physicists, magnetic spectra. These cu- lower flues ; the furnace and combustion rious markings surrounded all of the stay- chamber occupying the whole lower pait. bolt holes. Its surface extended the whole…
Engineering
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