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Improved Wood Pavement

The Air Compressors at the Mont Cenis Tunnel

Illuminating Gas--Natural Gas Wells--Coal Gas--Water Gas Fallacies

Kenwood Tower, Highgate, Near London

Expose of the Tricks of the Davenport Brothers

By P. H. Vander Weyde

Editorial Summary - January 27, 1872

Baldwin's Saw Clamp

The Franklin Statue in Printing House Square

Heating and Ventilation of Buildings

What to do when you are in Trouble

The Antiquity of the Iron Manufacture

Polishing Wood

The Spread of Small Pox

The Natural Features of South America--New and Interesting Discoveries

To City Subscribers - January 27, 1872

Scientific and Practical Information - January 27, 1872

Recent American and Foreign Patents - January 27, 1872

Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents.


  • From the Editor

    Answers to Correspondents - January 27, 1872

  • Letters

    Correspondence - January 27, 1872

  • Recommended

    New Books and Publications - January 27, 1872

  • Departments

    Notes and Queries - January 27, 1872

  • Business and Personal - January 27, 1872

  • Index of Inventions - January 27, 1872

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January 27, 1872

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