Carey, Vin: Jap Mirako Act ©1949 Abbott's Magic Co., Colon, MI Softcover, stapled-manuscript, 8.5x11", 7 pages Published in the U.K. by Supreme Magic

Supreme Magic Edition Image courtesy eBay seller QR

Comments: An apparent exercise of multiple-concentration ability, with the ability to write backwards and upside down, adding figures, etc. Also available as part of Abbott's Strange Secrets Volume One, edited by Gordon Miller. This looks like it would take some practice to develop!

Contents:

1 Introduction
3 Suggested Routine
4 How to Practice
5 Doing Five Things at One Time
6 Adding a Column of Figures
7 Additional Headline Stunt