The trick of vanishing a card from the deck by knocking it or touching it subtly with the moistened back of the hand, which secretly picks up the top card, was included in Jacques Ozanam's Récréations Mathématiques et Physiques, 1723, p. 430. This was translated in Gibecière, Vol. 6 No. 1, Winter 2011, p. 130. It was included in the unpublished Asti Manuscript, c. 1700, p. 58 of the Pieper translation. This manuscript was translated in Gibecière, Vol. 8 No. 1, Winter 2013, p. 29-234.