Scientific American, Vol. 24, No. 1 (January 1871)
An 1871 weekly issue of Scientific American, published in New York for inventors, mechanics, and patent-minded readers, reporting on engines, boilers, and newly granted patents. Wood engravings show machines in three-quarter view and cutaway section — flywheels, cylinders, gearing, cast-iron legs — rendered in dense hatching on white, useful for mechanical silhouettes, sectional patterns, and small technical spot art.
