What to do and how to do it; the American boys handy book (1920)
Beard, Daniel Carter, 1850-1941 · New York, C. Scribner's sons · leaf 285
ct, that object will be re-flected upon the glass and shown through the paper in all itsnatural colors, strong enough to be accurately traced and re-produced. In this manner considerable amusement and instruction canbe derived from a home-made camera obscura. If one of these instruments be taken… … jm.
Amusements · Sports
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
