Scientific American, Vol. 32, No. 15 (1875)
Scientific American, volume 32 issue 15 from 1875, a weekly American periodical of engineering and invention news written for a general technical readership. Its pages carry engraved views of machines, instruments and devices with figure labels and running text, and the four pictures here show a metal-working machine, a celestial instrument, a steam engine and a pneumatic message-tube system. Designers can take from them the dense, precise line-engraving style of nineteenth-century technical illustration, with fine hatching, cast shadows and labelled parts.
