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 82
The material used Vjy Mr. liabbitt is not pure tin, but a soft alloy, in which lead predominates, anqwhich, besides answering all the purposes of tin, has the advantage of being greatly cheaper. A patent for a composition-metal has lately been obtained by Mr. Fenton; it is harder than MrBabbitts…
Gearing · Mills and mill-work · Odontograph
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