Scientific American, Vol. 24, No. 8 (1871)
A weekly American science and invention magazine from 1871, printed in New York for engineers, mechanics and inventors, presenting patent-office drawings of machines with short descriptive text. The pictures show mechanical apparatus drawn in fine black line: an electrical coil apparatus, a wooden ore washing machine, a rotary mechanism plan, and a pair of sad irons with handles and ribbed soleplates. A designer might take from them the dense hatched shading and the clean, labelled technical diagram style of the period.
