Scientific American, Vol. 86, No. 21 (May 1902)
Scientific American was a weekly technology and patent journal published by Munn & Co. in New York for inventors, engineers, and general readers, this issue dated May 1902. The plates are halftones and line engravings of early motor cars shown in side and three-quarter profile against blank ground, with wire-spoke wheels, tufted bench seats, and exposed running gear, plus apparatus and patent figures useful as period vehicle silhouettes and mechanical detail.
