Soo, Chung Ling, 1861-1918, Harry Houdini Collection (Library of Congress) DLC · New York City : Munn & Company · leaf 48
the table,traced with a magnet below the slate the wordsfound upon the inside, but backward, the same astype is set for printing; if not, the writing on theslate will be in reverse. The chalk, on account of SPIRIT SLATE WRITING. 35 the iron filings it contains, follows the direction ofthe magnet.… … 13.—Magnetic Writing. stuff is preferable. Your apparatus consists now oftwo slates and one false flap. The false flap is madeto fit very tightly, so it will not fall out of its ownweight. The slates in the frame also fit snugly.The frames are mortised out a Httle thicker than theslate, say twice…
Spiritualism · Magic tricks
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