Scientific American, Vol. 34, No. 20 (1876)
Scientific American, volume 34, number 20, is a weekly American science and engineering periodical printed in New York in 1876 for a general readership of inventors, mechanics and manufacturers. Its pictures are black-and-white wood engravings of machines, each drawn in crisp outline with cross-hatched shading, labelled with figure numbers and captions, offering a designer clean technical line drawings of Victorian industrial equipment.
