Published in Autumn 1993 Zeiss Historica Journal
Author: Simon Worsley
See Page 11 – 14
The author has made an extensive examination of the serial numbers of Zeiss Ikon cameras and Carl Zeiss Jena lenses from the era in the title and explains the eccentricities in the process and an explanation on how best to date the lenses and cameras.
To go to the journal itself, click on the year 1993 in the first line above
Published in Spring 1999 Zeiss Historica Journal
Author: Larry Gubas
See Page 20- 22.
Based on information coming from Zeiss Oberkochen based on materials found in the Carl Zeiss Jena Archive, we see the first definitive chronicling of the earliest Zeiss microscopes. The article si accompanied by a table of serial numbers by year and type (Simple versus Compound) with a sampling of the dates of certain microscope model’s introduction.
To go to the Journal itself, click on the year 1999 in the first line above.