Sealed mysteries : explaining the latest card mysteries and spirit tricks made public for the first time : with directions for constructing trick cards
A 1911 instruction manual of card tricks and trick-card construction by magician Burling Hull, issued in Brooklyn by Master Technic Publishing for amateur and stage conjurers. Illustrations are high-contrast line diagrams of fanned and spread playing cards on black grounds, plus halftone photographs of hands palming and manipulating cards, useful as stark card motifs and gesture references.
