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Improved Liquid Mixer

How Far Will Bodies Sink in the Ocean?

A New Use for Criminals

Science Pugnacious

The Fair of the American Institute

Gas from Night Soil and Dead Animals

Lightning Rods

The Proposed Railway Tunnel under the English Channel

Carillon Machines

Deep Sea Sounding by Pianoforte Wire

Engineering in New Zealand

Practical Mechanism - October 2, 1875

Number XXXII

By Joshua Rose

Changing Salt Water to Fresh

Wood's Patent Square-Inch Test Valve

Improved Adding Pencil

A Model Villa

Knight's Improved Health Lift

British Association Notes - October 2, 1875

Decisions of the Courts - October 2, 1875

United States Circuit Court--Northern District of New York.

Recent American and Foreign Patents - October 2, 1875

Communications Received - October 2, 1875

Canadian Patents - October 2, 1875


  • Departments

    Notes and Queries - October 2, 1875

  • Business and Personal - October 2, 1875

  • Index of Inventions - October 2, 1875

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