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The Berryman Patent Feed Water Heater

Successful Progress of the Great Jetties

Unscientific Scientists

A New System of Armor Plating Needed

A Remarkable and Disastrous Explosion

To Our Subscribers

The American Exhibit at the Paris Exposition

Government Tests of Magazine Guns

Confidentially, with Our Readers

Utilizations of the Goose Quill

Radial Drilling Machine


Improved Ore Crusher and Pulverizer

Fisher's Torpedo Guard

The No. 10 Bolt Cutter and Nut Tapper

Chapell's Pipe Coupling

A Celebrated Short-Horned Cow

Boland's Improved Kneading Machine

The Reproduction of Musical Tones by Electro-Magnetism


  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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January 26, 1878

20% Sitewide for President's Day