Hoffmann (Professor), 1839-1919., Plate, Adrian, inscriber., Harry Houdini Collection (Library of Congress) · New York : E.P. Dutton & Co. ; London : George Routledge & Sons, 1904. · leaf 101
worked by electricity, the general arrangement being the same as described in the case of his “Glove and Rings”’ trick, of which particulars are given in a later chapter. The working of the Crystal Cash-box without elec- tricity is effected in a very similarmanner. The box is of bevelled… … Fre. 62. a circular plate, about an inch and a half in diameter. On opening the box a similar plate is seen on the inside of the lid. Between the two plates is a circular cav- ity cut through the thickness of the glass, forming a
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