Scientific American, Vol. 47, No. 22 (1882)
Scientific American, volume 47, number 22, is a weekly American periodical of 1882 that reported on new inventions and engineering for a general readership of technically minded readers. Its engravings show machines and devices drawn in fine black line with clear hatching, including an electrical stop valve for steam engines, a multi-spindle slot drill, a generator armature, and a Stoddard can opener, with parts shown in crisp detail for a designer studying mechanical forms.
