Category:Kolb Brothers Projector
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A 35mm Carbon-arch Powers Peerless Projector used by the Kolb Brothers from 1915 to the early 1960s. Now in the possession of Grand Canyon National Park.
Media in category "Kolb Brothers Projector"
The following 3 files are in this category, out of 3 total.
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GRCA 83608 Kolb Brothers Projector (back) (6728175863).jpg 1,728 × 2,304; 1.59 MB
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GRCA 83608 Kolb Brothers Projector (front) (6728176471).jpg 1,728 × 2,304; 1.53 MB
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GRCA 83608 Kolb Brothers Projector (full) (6728177135).jpg 1,728 × 2,304; 1.67 MB