The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 335
as the expe-rience of most people has tested. The third rule concerns the center of gravity. By re-ference to the fig. (49), a vertical line will be perceived,drawn through the center of the figure. Whenever thebody is at rest upon its legs, standing at ease, as one maysay, this imaginary line must… … They have, however, to be well considered in connection THE MAGIC OF ART. 319 with our present subject ; fur as we said with the face, anygreat deviation from them leads to oddity, and is at theroot of caricature drawing. Trace out, or sketch out any size, the figures (Fig. 49 and50), or any others…
Magic tricks
Internet Archive · University of Pittsburgh Library · Public Domain Mark 1.0. Free to use for anything.