Patented a "sky shade" to reduce the tendency of intense blue sky light to bleach out the images of the blue-sensitive photographic emulsions of the time
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Patented a "sky shade" to reduce the tendency of intense blue sky light to bleach out the images of the blue-sensitive photographic emulsions of the time
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.