atus. With 2 illustrations. Con- ries, and is read in all the principal libraries and reading Contained in SCIRNTIFIC AMERICAN SUPPLEMENT, sent tained in SCIENTIFIC AMERICAN SUPPLEMENT, No. free of charge to any address. : rooms of the world. A business man wants something 783 - Price 10cents. To…
Internet Archive · Public domain (published before 1931). Free to use for anything.
