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 92
in the main frame, through which the seeming bolts pass, are elongated. The machine isdriven by two belts ef, one being crossed, and the two governed by a double belt-shipper g, so formedthat when the direct belt e runs on the pulley ?n, to give the cutting motion to the cutter carriage bythe… … parries the pulley I, and with it the cutter carriage by the same connections, and the direct belt e thearuns on the loose pulley; or, if desired, this arrangement of belt may be reversed. In this way thedesired motions are given, and the shifting of the belts is effected in the following manner:…
Gearing · Mills and mill-work · Odontograph
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