Mosaic composed of Aerial Photographs Taken over Rochester, N.Y.

Mosaic composed of Aerial Photographs Taken over Rochester, N.Y.

Photograph

Albert W. Stevens

American, 1886–1949

Mosaic composed of Aerial Photographs Taken over Rochester, N.Y.

October 23, 1920
Gelatin silver print
Image: 48 x 38 cm.
Overall: 50 x 40.8 cm.
Gift of Walter J. Clark
1983.2526.0001
Inscriptions recto (in print): MOSAIC / COMPOSED OF / AERIAL PHOTOGRAPHS / (FILM NEGATIVES) / TAKEN OVER / ROCHESTER, N.Y. / MADE IN ONE FLIGHT, BY COURTESY OF / U.S. AIR SERVICE / OCT 23, 1980 / AV. SCALE 1:9980 / AV. ALT.: 9930 FT. COPYRIGHT 1920 / EASTMAN KODAK CO. / ROCHESTER N.Y.

Typed label with image:
Date: October 23, 1920
Airplane: DeHavilland 4 (Special Photographic)
Personnel: Capt. A.W. Stevens, U.S. Air Services, Observer of Stratosphere Flight
Lieut. Chas. M. Potter, U.S. Air Service, Pilot
Capt. John Gordon, Jr. (formerly U.S. Air Service, made prints and mosaic
Apparatus: Eastman Mapping Camera fitted with a 12 inch f/4.5 lens
Roll film 72 feet long, sufficient for 100 exposures,
18 by 24 cm.
Film Used: Eastman Panchromatic (hypersensitized) with a K2 filter
Exposure: 1/100 second at f/5.6
Time of Day: Noon
Development of Film: Eastman Aero Film Developing tank, apron style
Altitude: 9830 feet
Scale: Approximately 1:10,000
Number of Negatives: 82 continuous with 60 per cent overlap and 25 percent overlap on each parallel strip.
Paper Used: Regular glossy Velox
Developer: Nepera
Number of Prints: 82
Flying Time: 1 hour and 20 minutes
Time consumed in making mosaic: 1 man, 10 days for developing negatives and making prints.
This information was supplied by Mr. F.O. Strowger 5/26/42

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