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Topic: Film
Message: Posted by: ursmagicbalu (Mar 18, 2019 03:18AM)
Does anyone help me to identify this effect. A board with film printed in white letters with black background changes vice versa
Message: Posted by: Anatole (Jun 20, 2019 01:25PM)
Did you ever track down this effect? I believe it is Hank Vermeyden's "Posi-Negative."

----- Amado "Sonny" Narvaez
Message: Posted by: ursmagicbalu (Jun 21, 2019 10:03AM)
Nope. Will check that too. Thank you
Message: Posted by: TomasB (Jul 10, 2019 07:01AM)
Lubor Fiedler is the inventor, I think: https://www.martinsmagic.com/allmagic/comedy/posi-negative-by-limited-edition-magic/