Category:US National Archives series: Subject Files, compiled ca. 1929 - ca. 1958

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Media in category "US National Archives series: Subject Files, compiled ca. 1929 - ca. 1958"

The following 36 files are in this category, out of 36 total.

1 1-2 hours free entertainment provided at night by management. View taken during short talk by Sabin. - NARA - 298947.jpg 3,000 × 1,715; 1.14 MB
1 1-2 hours free entertainment provided at night by management. View taken during short talk by Sabin. - NARA - 298947.tif 3,000 × 1,715; 4.91 MB
Administration building ("The Lodge"), restaurant and other services. - NARA - 298950.jpg 3,000 × 1,763; 1.51 MB
Administration building ("The Lodge"), restaurant and other services. - NARA - 298950.tif 3,000 × 1,763; 5.04 MB
Another example of place where a consideralbe numbe rof sources of light were required to bring out detail. The... - NARA - 298935.jpg 1,774 × 3,000; 1.1 MB
Another example of place where a consideralbe numbe rof sources of light were required to bring out detail. The... - NARA - 298935.tif 1,774 × 3,000; 5.08 MB
Control switches and spot light installed at landing. Yosemite Landing, Ghost Room. - NARA - 298939.jpg 1,770 × 3,000; 1.3 MB
Control switches and spot light installed at landing. Yosemite Landing, Ghost Room. - NARA - 298939.tif 1,770 × 3,000; 5.06 MB
Direct illumination from across passage not very effective because of dirty formation. The Bee Hive, Oregon Caves. - NARA - 298934.jpg 3,000 × 1,722; 1.12 MB
Direct illumination from across passage not very effective because of dirty formation. The Bee Hive, Oregon Caves. - NARA - 298934.tif 3,000 × 1,722; 4.93 MB
Indirect blue lights under bridge, Looking Down into the River Styx. - NARA - 298941.jpg 1,737 × 3,000; 1.17 MB
Indirect blue lights under bridge, Looking Down into the River Styx. - NARA - 298941.tif 1,737 × 3,000; 4.97 MB
Indirect lighting (white) bringing out shadows made this effective. The Petrified Forest, Oregon Caves. - NARA - 298933.jpg 3,000 × 1,719; 1.2 MB
Indirect lighting (white) bringing out shadows made this effective. The Petrified Forest, Oregon Caves. - NARA - 298933.tif 3,000 × 1,719; 4.92 MB
Larest column at extreme bottom of Caves. Formation dirty and only general illumination attempted. The Grand Column. - NARA - 298946.jpg 1,732 × 3,000; 952 KB
Larest column at extreme bottom of Caves. Formation dirty and only general illumination attempted. The Grand Column. - NARA - 298946.tif 1,732 × 3,000; 4.96 MB
Lighted with green, Bird of Paradise - NARA - 298940.jpg 1,735 × 3,000; 875 KB
Lighted with green, Bird of Paradise - NARA - 298940.tif 1,735 × 3,000; 4.96 MB
Lighted with many sources protably connected to permit changing of shadow effects. The Garden of the Gods. - NARA - 298936.jpg 3,000 × 1,721; 959 KB
Lighted with many sources protably connected to permit changing of shadow effects. The Garden of the Gods. - NARA - 298936.tif 3,000 × 1,721; 4.92 MB
Lower entrance. First switch control in rear of rock on right side of trail. The Entrance to the Oregon Caves. - NARA - 298948.jpg 1,765 × 3,000; 1.44 MB
Lower entrance. First switch control in rear of rock on right side of trail. The Entrance to the Oregon Caves. - NARA - 298948.tif 1,765 × 3,000; 5.05 MB
On the way to the Cave, Forest Highway built by Bureau of Public Roads. - NARA - 298949.jpg 3,000 × 1,713; 1.47 MB
On the way to the Cave, Forest Highway built by Bureau of Public Roads. - NARA - 298949.tif 3,000 × 1,713; 4.9 MB
One of the most striking and most difficult places tolight in a satisfactory manner. Both depth and detail essential.... - NARA - 298945.jpg 1,736 × 3,000; 1.22 MB
One of the most striking and most difficult places tolight in a satisfactory manner. Both depth and detail essential.... - NARA - 298945.tif 1,736 × 3,000; 4.97 MB
Site of the first and most effective use of red light. Very striking. The Coral Gardens. - NARA - 298937.jpg 3,000 × 1,725; 1.07 MB
Site of the first and most effective use of red light. Very striking. The Coral Gardens. - NARA - 298937.tif 3,000 × 1,725; 4.94 MB
Supply cables concreted into back edge of path, behind bottom of ladder and across to neares upright of railing. All... - NARA - 298942.jpg 3,000 × 1,724; 1.24 MB
Supply cables concreted into back edge of path, behind bottom of ladder and across to neares upright of railing. All... - NARA - 298942.tif 3,000 × 1,724; 4.93 MB
This gives a good idea of amount of detail and shadows which necessitated cross light to develop all features. The... - NARA - 298938.jpg 1,766 × 3,000; 1.04 MB
This gives a good idea of amount of detail and shadows which necessitated cross light to develop all features. The... - NARA - 298938.tif 1,766 × 3,000; 5.05 MB
Three colors, blue, red and amber crossed effects worked out to show detail and beauty of these curious formations.... - NARA - 298943.jpg 1,744 × 3,000; 1.23 MB
Three colors, blue, red and amber crossed effects worked out to show detail and beauty of these curious formations.... - NARA - 298943.tif 1,744 × 3,000; 4.99 MB
Typical location along passageway showing problem to provide overhead illumination and concealment of cables and... - NARA - 298944.jpg 1,756 × 3,000; 1.05 MB
Typical location along passageway showing problem to provide overhead illumination and concealment of cables and... - NARA - 298944.tif 1,756 × 3,000; 5.02 MB