Part of the Frick Collection Archives Repository
Projection Apparatus - Zeiss, Carl, Inc. [2 folders], 1936, Box: 41, Folder: 11-12. The Frick Collection Central Files, TFC.0400.010. Frick Collection Archives.
Projection Apparatus - Zeiss, Carl, Inc. [2 folders], 1936, Box: 41, Folder: 11-12. The Frick Collection Central Files, TFC.0400.010. Frick Collection Archives. https://archives.frick.org/repositories/3/archival_objects/20993 Accessed May 15, 2025.
