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--- misc:crazy_compass [2013/03/29 12:39] – tag added denisbehr
+++ misc:crazy_compass [2017/06/28 16:58] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Crazy Compass (Chinese Compass) ======
-Val Evans's "Optegramma" was the original version of this trick. Milbourne Christopher came up with the standard road-sign inspector presentation.
+Val Evans originated the plot with his marketed "Optogramma," 1945. Milbourne Christopher came up with the standard road-sign inspector presentation, publishing it in //[[http://askalexander.org/display/38703/Hugard+s+Magic+Monthly/77|Hugard's Magic Monthy]]//, Vol. 9 No. 7, Dec. 1951, p. 873.
 {{tag>effect prop presentation}}

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