The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 179
describe. The effect will be heightened if the eyeis viewed in a dark room with a small hole in the shutter,but in every case the appearance will be very striking. THE CAMERA OBSCURA.This is a very pleasing and instructive optical apparatus and mav purchased for four or five shillings. Bui it maybe… … OPTICS AND OPTICAL AMUSEMENTS. 163 and forwards so as to suit the focus. Within the boxshould be a plane mirror, reclining backwards from the tubeat an angle of forty-five degrees. At the top of the boxis a square of unpolished glass, upon which from beneaththe picture will be thrown, and may be…
Magic tricks
Internet Archive · University of Pittsburgh Library · Public Domain Mark 1.0. Free to use for anything.
