Category:Scientific American (1890)

Media in category "Scientific American (1890)"

The following 5 files are in this category, out of 5 total.

• 
  1890 Census Hollerith Electrical Counting Machines Sci Amer.jpg 622 × 480; 99 KB
  
• 
  Brush-windmill.jpg 716 × 1,074; 165 KB
  
• 
  Manufacture of Edison's Talking Doll (cropped).jpg 874 × 2,098; 1.08 MB
  
• 
  Manufacture of Edison's Talking Doll.jpg 3,307 × 4,843; 4.37 MB
  
• 
  Riley & Cowley 4, 6.5 and 10 by 8 inch triple expansion engine.jpg 771 × 827; 113 KB