Scientific American, Vol. 63, No. 3 (1890)
A weekly American science and engineering periodical from 1890, volume 63, number 3, offering technical news and mechanical inventions to a general readership of engineers and inventors. Its pages pair dense columns of text with precise line engravings of machines, instruments, maps and architectural details, showing the period's mechanical drawing style, with clear outlines, hatching and labelled parts a designer could borrow for technical diagrams.
