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The Grand Prize Diploma of the French Exhibition

Shall We Have a Canal or Ship Railway?

The Reflecting Magic Lantern in Court

The Cincinnati Industrial Exhibition

The Opening of the Mississippi

Progress in Spectroscopy

Where to Study Chemistry in Germany

Combined Fork and Spoon

The Polar Pantograph

An Improved Potato Digger

Recent Mechanical Inventions

The Sun a Source of Power

By S. P. Langley

A Ship Railway at Panama

Spar Torpedo Vessel Acheron

New Thrashing Machine

Portable Flour Mill

Natural History Notes


The Phylloxera in France

New Bubble Blower

Future of American Engineering


  • Departments

    Notes and Queries

  • Index of Inventions

  • New Books and Publications

  • Business and Personal

  • Patents

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