Card tricks : how to do them and sleight of hand : designed for parlor and stage entertainments for the instruction of professionals and amateurs (1902)
Roterberg, A. (August), 1867-1939 · Chicago : Frederick J. Drake & Co. · leaf 122
114 CARD TRICKS After having forced a duplicate of this card (A. Fig. 83) he places the pack on the table, using this opportunity to secretly obtain pos- session of the half card B, which he places on the selected card, the two presenting the appear- ance indicated in Fig. 83. Holding both cards… … upper part of A is given in charge of some one and the double half card shown from both sides. B is then substituted for the lower half of A, by means of the Excelsior Change. The upper half of A and the part B are then matched, and found fitting together, apparently proving that they are really…
