COSMIC RAYS.  Gelatin silver print recording cosmic rays (205 x 195 mm),
Lot 116¤
COSMIC RAYS. Cosmic rays, photographed through the opening of a magnetic "cloud chamber" aboard a B-29 "flying laboratory" and processed by the US Naval Ordnance Test Station near Inyokern, CA, December, 1946,
Sold for US$ 187 inc. premium
Lot Details
COSMIC RAYS.
Cosmic rays, photographed through the opening of a magnetic "cloud chamber" aboard a B-29 "flying laboratory" and processed by the US Naval Ordnance Test Station near Inyokern, CA, December, 1946, gelatin silver print, 8 x 7½ inches (205 x 195 mm), black wax pencil crop marks, traces of photo agency's paper label to verso.

With a period newspaper clipping reproducing and explaining the photo: "Scientists use the photographic negatives, rather than the finished prints, to study the rays. Bars across the picture are lead bars in the chamber apparatus. The ray paths leave white marks resembling scratches across the negative."
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  1. Cassandra Hatton
    Specialist - Space History
    Bonhams
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    New York, 10022
    United States
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