Published in Spring 1992 Zeiss Historica Journal
Author: an extract from an article in “Zeiss-Werkzeitung” (a Zeiss house organ) from December 1928.
See Page 16.
A Picture of Ernst Abbe, Paul Rudolph and Otto Schott on the streets of Jena discussing a chainless bicycle.
To go to the Journal itself, click on the year 1992 in the first line above.