File:AmericanHelio1898Engraving.jpg
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![File:AmericanHelio1898Engraving.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/AmericanHelio1898Engraving.jpg/507px-AmericanHelio1898Engraving.jpg?20080630025125)
Size of this preview: 507 × 600 pixels. Other resolutions: 203 × 240 pixels | 406 × 480 pixels | 649 × 768 pixels | 1,188 × 1,405 pixels.
Original file (1,188 × 1,405 pixels, file size: 582 KB, MIME type: image/jpeg)
Categories:
- Black and white photographs of men at work
- Black and white photographs of the United States in the 1890s
- Cosmopolitan, 1898
- Heliographs
- Men at work in the 1890s
- Men at work in the United States
- Black and white photographs of men wearing hats in the United States
- Morse code
- Military people in 1898
- 19th-century men of the United States
- People of the United States in 1898
- Signals
- United States Army Signal Corps
- United States Army in the Spanish-American War
- 3 men in the United States