Professor Hoffmann,
Modern Magic: A Practical Treatise on the Art of Conjuring
“ Card Tricks with Ordinary Cards, and not requiring Sleight-of-Hand. There is a large class of tricks which may be described as consisting of two elements—the discovery of a chosen card by the performer, and the revelation of his knowledge in a more or less striking manner. We propose to give, in the first place, three or four methods of discovering a given card, and then a similar variety of methods of concluding the trick. It must be remembered that for our present purpose we exclude all tricks for which any special dexterity is requisite. ”
