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Improved Hose Coupling

A New Gas Exhauster Governor

Contamination of Drinking Water

Pah-Gosa Springs, Colorado

The North-Northwest

Pluck and Energy Sufficient Capital for Pioneers

Defeat of the Cochrane Patents

Recent American Patents

New Cuff Holder

A Magnetized Watch

Recent Mechanical Inventions

A New Portable Engine

A New Sewer Trap

Amateur Mechanics

New Drag Sawing Machine

Jones' New Press Machine and Process

Machinery for Making Shingles

Miscellaneous Inventions

Scarus Quacamaia, or Great American Parrot Fish

By Daniel C. Beard

The Mara

Ancient Keys

Communications Received - July 12, 1879


  • Departments

    Correspondence - July 12, 1879

  • Business and Personal - July 12, 1879

  • Notes and Queries - July 12, 1879

  • New Books and Publications - July 12, 1879

  • Index of Inventions - July 12, 1879

  • Patents - July 12, 1879

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