Published in Autumn 1998 Zeiss Historica Journal
Author: Manfred Hermann
See Page 12 – 15
An interview with Wolfgang Jacobi, a Zeiss Ikon apprentice who quickly grew into a designer of photo accessories: Panflex, Flektoskop and a microfilm reader, among other devices.
To go to the Journal itself, click on the year 1998 in the first line above.