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Oil Fuel and Boilers at the Great Exposition

The Centralization of Motive Power

Notes From the Worlds Columbian Exposition Chicago 1893

An Instrument for Measuring Distances

The Mysterious Trunk

A Music Book of Folio

An Improved Roller Cotton Gin

Surface Tension

Parsons' Horological Institute

Oil Engines at the Great Exposition

The Wart Hog, or Vlacke Vark

To Inventors - July 8, 1893


  • Departments

    Correspondence - July 8, 1893

  • Notes and Queries - July 8, 1893

  • Business and Personal - July 8, 1893

  • New Books and Publications - July 8, 1893

  • Recently Patented Inventions - July 8, 1893

  • Index of Inventions - July 8, 1893

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Science or SciFi?

Science or SciFi?

Vanishing Particles. Spooky Action.