Scientific American, Vol. 13, No. 9 (1865)
This 1865 issue of Scientific American was a weekly periodical for American readers of science, invention and engineering, published in New York. Its pictures are line engravings of machines and apparatus, including a stationary steam engine with a large flywheel, a crank and slide-valve linkage diagram, and a sectioned furnace or boiler with a spiral coil; a designer might draw on their crisp hatched linework and mechanical diagram conventions.
