Summum Stereoscopic Apparatus Catalog July 1932
Summum Stereoscopic Apparatus Catalog July 1932 — original French commercial catalog documenting high-precision stereoscopic cameras (models 6×13, 7×13) manufactured by Summum, Paris. This technical reference details optical design principles, lens construction, decentering adjustment mechanisms, eyepiece configurations, and viewfinder systems essential to stereoscopic image capture. Includes comprehensive product specifications, format details for plates and films, and paired stereoscopic photographs illustrating depth-of-field characteristics. Also covers hermetic development tanks for automatic processing. A primary historical source for understanding early 20th-century French precision optics and stereoscopic apparatus engineering.
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Document Details
- Format
- Pages
- 21
- Size
- 10.3 MB
- Category
- Photography