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Features

Modern British Locomotives

The Colleges and the Hard Times

Is Our Torpedo System Useless?

The Locomotive Semi-Centennial

The Fair of the American Institute

Foreign Patents-Reduction of Costs

Progress of American Telegraphy - October 30, 1875

The Keely Motor Deception

Combined Scissors and Ripping Knife

Improved Tea Kettle

Improved Friction Clutch Pulley

Recent Hospital Construction

A Home-Made Compound Microscope

New Method of Casting Steel Ingots

The New Giffard Railway Carriages

Practical Mechanism - October 30, 1875

Number XXXIV

By Joshua Rose

Improved Refrigerator and Counter

Improved Grinding Mills

Oriental Horticulture

Useful and Curious Inventions

Scientific and Practical Information - October 30, 1875

Recent American and Foreign Patents - October 30, 1875

Communications Received - October 30, 1875

Canadian Patents - October 30, 1875

Departments

  • Departments

    Notes and Queries - October 30, 1875

  • Business and Personal - October 30, 1875

  • Index of Inventions - October 30, 1875

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