Scientific American, Vol. 47, No. 21 (November 1882)
A weekly issue of Scientific American from November 1882, published in New York by Munn & Co. for inventors, engineers, and manufacturers following new patents and machinery. Wood engravings show lettered sectional diagrams of valves and pumps, vertical boilers, printing presses on cast-iron frames, and cutaway views of riveted steam drums, giving designers hatched metal textures, keyed callout letters, and isolated machine silhouettes.
