slide tray with 35 mm slides-long wavelenth
Date: 1980-1990
Inventory Number: 2004-1-0236
Classification: Photographic Slides
Subject:
Maker: Eastman Kodak Company (1881-present)
Maker: Edwin H. Land (1909 - 1991)
Cultural Region:
Place of Origin:
City of Use:
Dimensions:
slide tray: 5.2 × 24.4 × 24.4 cm (2 1/16 × 9 5/8 × 9 5/8 in.)
box: 7.3 × 29 × 25.5 cm (2 7/8 × 11 7/16 × 10 1/16 in.)
Description:
Ektagraphic Universal Slide Tray Model 2. The box contains a slide projector carousel with 27 slides. The carousel is labeled "Long", for long wavelength. No other indication found in the box.
All these were most likely used with the projectors on the racks, found in inv. numbers 2004-1-0159a, 2004-1-161a, and 2004-1-0211.
All these were most likely used with the projectors on the racks, found in inv. numbers 2004-1-0159a, 2004-1-161a, and 2004-1-0211.
In Collection(s)
Signedon tray and box: Kodak
FunctionUsed by Land for his experiments with color vision (Retinex theory). It was also most likely used in Land's famous lectures on the same topic.
ProvenanceThis object belonged to Edwin H. Land and came from the Rowland Institute, Harvard University. Gift of the Edwin H. Land Family.
