A short treatise on the designing and construction of gearing and mill-work. Accompanied by an explanation of the construction and use of the odontograph of Prof. Willis .. (1873)
[Scott, David] engineer. [from old catalog] · New York, D. Appleton and company · leaf 85
at anypoint where motion is transferred to or from it by toothed geer, whose line of contact is in the horizon-tal plane,—a species of block-brass is fitted into it and retained by a cotter, as shown in the figm-e. Thtends of this block are checked, and the back of it has a groove to receive the… … This form of gallows has, however, no other recommendation than cheapness. It is inelegant in thelast degree, and deficient in stability, is easily twisted out of position in con-sequence of the obliqueaction of the weight upon it; and, moreover, the hook into which the brasses are fitted being…
Gearing · Mills and mill-work · Odontograph
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