The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 210
y of his invention consists in making thegroove larger than the projections, and filling the interstices withmelted zinc. In the words of tlie specification, the patenteeclaims the maiuifacture of wheels in wliich tlie dovetail groovein the tyre is wider at its narrowest part than tlie dovetail… … of the tyre and its junction with the wheel, will sufficiently showthe form of the grooves and projections. The dark portions re-present the zinc or other easily-fusible metal with which the spacesare filled. Locomotive En-gines.—GEORfjE IIeaton-, Birmingham, engineer,has obtained a patent for •^…
Architecture · Civil engineering · Science
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