Scientific American, Vol. 7, No. 3 (July 1862)
An issue of Scientific American from July 1862, published weekly in New York by Munn & Co. for inventors, mechanics and patent applicants. Wood-engraved figures show patented machinery in elevation and section — geared cider presses, a lamp or lantern body, screw clamps and a sawn timber detail — with lettered part keys, fine hatching and cross-hatched shading usable as line stock.
