File:Secretary Abbot Carrying the Radiometer up Mount Wilson.jpg
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Size of this preview: 473 × 600 pixels. Other resolutions: 189 × 240 pixels | 497 × 630 pixels.
Original file (497 × 630 pixels, file size: 76 KB, MIME type: image/jpeg)
Categories:
- Smithsonian Institution Archives
- Images containing text
- 1930 in California
- Black and white photographs of men wearing hats
- Black and white photographs of walking men
- Charles Greeley Abbot
- Handwriting
- Light mills
- Men with hats
- Men with objects
- Mount Wilson Observatory
- Mount Wilson Toll Road
- Walking men in the United States