Category:Daniel Davis (inventor)

Media in category "Daniel Davis (inventor)"

The following 9 files are in this category, out of 9 total.

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  Boston Post 12 20 1842.jpg 374 × 413; 36 KB
  
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  Daniel Davis Jr c1870.jpg 589 × 882; 77 KB
  
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  Daniel Davis Jr medallion circa 1845.jpg 565 × 649; 48 KB
  
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  Davis electromagnetic device with U magnet.jpg 502 × 290; 32 KB
  
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  Davis nerve electrical shock device.jpg 917 × 552; 56 KB
  
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  Davis's Magnetism Manual.jpg 599 × 276; 44 KB
  
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  Electrotype copying by side.jpg 625 × 297; 41 KB
  
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  Electrotype copying side by side.jpg 625 × 297; 42 KB
  
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  Galvanoscope or Galvanometer.jpg 645 × 449; 45 KB