Scientific American, Vol. 63, No. 9 (1890)
Scientific American volume 63, number 9, published in 1890 in the United States, is a weekly periodical for a general readership interested in science, invention and industry. Its pages carry engraved patent devices such as a velocipede-style machine, a folding umbrella, a railroad tie and a curtain pole ring, drawn in precise line with numbered parts and lettered captions a designer can read as a record of 1890s mechanical drawing.
