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Features

Mars

An Improved Street Sweeper

Old and New Buildings of New York

An Improved Gun-Sight

Pork Packing in New Jersey

The New Croton Dam on the Cornell Site

German Shepherd Dogs

The Lowe Observatory

Hut-Building Seventeen-Year Cicadas

An Attempt at an Explanation

By Benjamin Lander

Artificial Mirages

To Inventors - October 13, 1894

Departments

  • Letters

    Correspondence - October 13, 1894

  • Departments

    Recently Patented Inventions - October 13, 1894

  • Index of Inventions - October 13, 1894

  • Business and Personal - October 13, 1894

  • Notes and Queries - October 13, 1894

  • Patents - October 13, 1894

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