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Features

Fire Engine

Radial Drilling Machine

Pens, Ink, and Pencils

Dead Weight in Railway Cars

Hereditary as a Factor in Pauperism and Crime

Some New Inventions Necessary for Future Astronomical Observations

Keely Motor Stock at a Discount

Machine for Forging Screw Threads

Improved Fodder Cutter

Practical Mechanism

By Joshua Rose

Improved Vehicle Wheel

Improved Automatic Fog Signal

Improved Universal Square

How to Make Rustic Work

A Geometrical Puzzle

The Aleurometer--Gluten Tester

The Ash-Colored Salamander

By C. Few Seiss

Engraving on Glass

Recent American and Foreign Patents

The Watch--Its Invention and History

New Mechanical and Engineering Inventions

New Miscellaneous Inventions

New Woodworking and House and Carriage Building Inventions

New Agricultural Inventions

Communications Received

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

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August 25, 1877

Help Us Reforest the Mississippi River Valley