The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 189
ng upon the glass plates will restore the invisible, and ex-tinguish the visible image. TO SHOW WHAT RAYS OP LIGHT DO NOT OBSTRUCT EACH OTHER. Make a small hole in a sheet of pasteboard a, and placingit upright before three candles b, placed closely together, it will be found that the images ofall… … passin< through the hole HOW TO SEE THROUGH A PHTLABELPHIA BRICK.Construct a hollow box or case, like the figure in the mar-gin. One side is purposely removed in the engraving, toenable you to see the arrangement of the interior, a, b c,and D, are four small pieces of looking-glass, all placed…
Magic tricks
Internet Archive · University of Pittsburgh Library · Public Domain Mark 1.0. Free to use for anything.
