Good, Bad and Indifferent Inventions from 1866

Grindstones for Manufacturing: A very old and useful tool, with a modern distrubution method. Grindstones made in quantity in Ohio are crated for shipping on the Cleveland, Columbus and Cincinnati Railroad. Credit: Image: Scientific American, April 7, 1866

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  Axle Gauge: Manufacturing in 1866 still had to rely on “the unreliableness of manual dexterity.” This measuring device was supposed to help the blacksmith make more precise wagon axles. Image: Scientific American, September 29, 1866

  
  

  
  



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  Adjustable Mirror: With two mirrors, you can see the back of your coiffure…

  
  

  
  

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Good, Bad and Indifferent Inventions from 1866