Scientific American, Vol. 32, No. 23 (1875)
Scientific American, volume 32, number 23 from 1875, a weekly American periodical of mechanical and scientific news for engineers, inventors and general readers. Its pages carry engraved views of machines and devices, including a pump, a quarry drilling machine, wheel designs and a cotton press. The pictures are dense black-and-white line engravings with fine cross-hatching, labelled parts and lettered figure captions, useful for designers wanting period technical diagrams and mechanical detail.
