Scientific American, Vol. 10, No. 22 (1864)
Scientific American, volume 10, number 22 from 1864, is a weekly American periodical of mechanical and scientific news that printed patent-model engravings for inventors and engineers. Its pictures are plain black-and-white line engravings of machines, with labelled figures and lettered parts, offering a designer clear mechanical diagrams showing gears, wheels, seed drills and lamp fittings drawn in a precise technical manner.
