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 ..
A technical manual on gear design and mill-work by engineer David Scott, published by D. Appleton in New York in 1873 for millwrights, machinists and engineering students. The 92 numbered wood engravings show spur, bevel and worm gearing, shafts, couplings and tooth-profile constructions, drawn in fine parallel hatching with dotted projection lines and italic letter keys that suit diagrammatic collage and line-art borrowing.
