Scientific American, Vol. 19, No. 3 (1868)
Scientific American volume 19, number 3, published in 1868 in the United States, is a weekly periodical for a general readership of inventors, mechanics and manufacturers. Its pages are engraved line drawings of patented machines, fittings and household devices, with fig. numbers and short captions. A designer can take from them the crisp hatching, cutaway views and technical diagram conventions of nineteenth-century industrial illustration.






