Scientific American, Vol. 30, No. 17 (April 1874)
An issue of the weekly technical and patent journal Scientific American, published by Munn & Co. in New York in April 1874 for inventors, manufacturers, and mechanically minded general readers. The engravings are small wood-engraved sectional and elevation views of boilers, coiled heating pipes, steam engine houses, and household hardware, built from fine hatching and letter-keyed parts that suit reuse as diagrammatic line art.
