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Features

Departments

  • Curious Chemical Compound

  • Departments

    An Improvement in Radiography

  • Fire-Proof Docks--The Moral of a Great Calamity

  • Paris Exposition Notes

  • Twentieth Century Energy

  • A Novel Nail Forming Machine

  • Electroengraving

  • An Automatic Coupling for Air-Brakes

  • The Burning of the North German Lloyd Steamships and Docks, Hoboken, N. J.

  • The Manufacture of Guns and Armor at the Bethlehem Steel Works

  • A Compensation Tie-Plate

  • A California Cycleway

  • New Books, Etc. - July 14, 1900

  • Recently Patented Inventions - July 14, 1900

  • Business and Personal - July 14, 1900

  • To Inventors - July 14, 1900

  • Index of Inventions - July 14, 1900

  • Notes and Queries

  • Patents - July 14, 1900

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July 14, 1900

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