o describe the old apparatus is also to describe to be that too many so-called draughtsmen think that blocks selected from among a collection of ten, upon the art begins and ends in handling a drawing pen the modern one, and we cannot do better than to pass which are inscribed the first nine… … Fig. l.-GUYOrS MAGNETIC MAGNIFYING GLASS. one end, for which the experimenter always sub- that he goes at this work well trained in the stitutes another tube, C, of identical appearance principles and fundamental laws of mechanics, N08.1 and 2. The instrument. 3. Cover of the box. 4. Arrangement of…
Cocoanut · Ginseng · Patents · Illustrated · Munn · Scientific American · Express money · Molten metal · Cotton seed · Seed oil · Cocoanut butter · Magnetic magnifying · Sign language · American supplement · Magnifying glass
Internet Archive · Public domain (published before 1931). Free to use for anything.