The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 324
they will not fail tonotice that nearly all natural objects have the curved linefor a basis, if they are not actually distinguishable therebyfrom those that are artificial.
Magic tricks
Internet Archive · University of Pittsburgh Library · Public Domain Mark 1.0. Free to use for anything.
