Scientific American, Vol. 30, No. 8 (1874)
Scientific American, volume 30, number 8, is a weekly American periodical of 1874 that printed engineering and mechanical inventions for a general technical readership. Its pictures are steel-engraved and wood-engraved mechanical drawings of machines, apparatus and devices, showing parts with lettered reference marks and clear linework a designer could adapt for diagrams, technical icons or retro engineering motifs.
