The magician's own book, or The whole art of conjuring (1862)
Arnold, George, 1834-1865, Cahill, Frank · New York, Dick & Fitzgerald · leaf 219
or written on the topsquare, and in each of the squares un-derneath is the product of multiplyingthat figure by 2, 3, 4, &c., up to 9. To use these in multiplication, selectthe strips, the top figures of whichmake the number to be multiplied. For example : To multiply 8,679 by 8, look at the… … * Aneentor of the fighting and writing Naiuers of our day. THE MAGIC OF NUMBERS. 209 udd 7 and 6 together = 13; write 3 as the next figure, carryI to add to the sum of 8 and 5, and so on. The reason for dividing the figures in each square by adiagonal line, and for placing the left-hand figure…
Magic tricks
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