Published in Spring 1990 Zeiss Historica Journal
Author: Larry Gubas
See Page 5 – 14.
The author spends 9 pages on the history of the development of Zeiss prism binoculars and the progress made throughout the first 60 years of product development. There is a considerable and useful bibliography at the end of the text.
A series of the earliest catalogs can be located in both German and English at the Catalog section of the front of the web page.
To go to the Journal itself, click on the year 1990 in the first line above.