The metal worker's handy-book of receipts and processes : being a collection of chemical formulas and practical manipulations for the working of all the metals and alloys including the decoration and beautifying of articles manufactured therefrom, as well as their preservation
A technical handbook by William T. Brannt, published in Philadelphia and London in 1890, collecting chemical formulas and workshop procedures for metalworkers. Its pictures are plain line diagrams of machinery and apparatus, including pulleys, a lever-and-pulley arrangement, a pair of sheaves on a frame, and vessels with pipes, that a designer could use as schematic, engineering-style illustration.
