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Improved Manufacture of Artificial Fuel

A Great Lick in Astronomy--The Million Dollar Telescope Provided For

What to do in Hard Times

Decorated Scientists - November 22, 1873

English Printing Presses in America

The November Meteors - 1873

Ramming the Mold

Steam Traveling Cranes at the Vienna Exposition

Postal Telegraph Carriage

Quantitative Spectrum Analysis

Anthon's Sewer Gas Trap

Improved Fireproof Construction

A Mansion and Museum Combined

American Academy of Sciences

Recent American and Foreign Patents - November 22, 1873

Scientific and Practical Information - November 22, 1873

Answers to Correspondents - November 22, 1873

Communications Received - November 22, 1873


  • Letters

    Correspondence - November 22, 1873

  • Recommended

    New Books and Publications - November 22, 1873

  • Departments

    Business and Personal - November 22, 1873

  • Notes and Queries - November 22, 1873

  • Index of Inventions - November 22, 1873

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis