Category:Harper's Magazine, 1869

Media in category "Harper's Magazine, 1869"

The following 3 files are in this category, out of 3 total.

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  Greek Fire Catapult (Harper's Engraving).png 2,615 × 1,992; 4.15 MB
  
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  Joule's Apparatus (Harper's Scan).png 1,684 × 1,387; 382 KB
  
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  Rev. William Gilpin (Harper's Engraving).png 1,361 × 1,904; 1.62 MB