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Machine for Twisting Augers, Nitro-Glycerin, and more

Miscellaneous Summary

Interesting Acoustic Phenomenon

Myer's Stopper and Discharge Spout

English Railway Carriage Signals

Traction Engines and Roads

Printing of Woven Fabrics

Fire Lighting in Olden Times

Unscientific Inventors

Shoddy--Its Material and Manufacture

A Word to Inventors and Patentees

The Anglo-French Channel Tunnel

The Final Fate of the Universe

Patent Claims

Issued from the U. S. Patent Office

The Markets


  • Departments


  • New Inventions

  • Notes and Queries

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End of Summer Sale

End of Summer Sale