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Radial Drilling Machine

Fire Engine

Pens, Ink, and Pencils

Dead Weight in Railway Cars

Some New Inventions Necessary for Future Astronomical Observations

Keely Motor Stock at a Discount

Hereditary as a Factor in Pauperism and Crime

Machine for Forging Screw Threads

Improved Fodder Cutter

Practical Mechanism

By Joshua Rose

Improved Automatic Fog Signal

Improved Vehicle Wheel

Improved Universal Square

How to Make Rustic Work

The Aleurometer--Gluten Tester

Engraving on Glass

A Geometrical Puzzle

The Ash-Colored Salamander

By C. Few Seiss

Recent American and Foreign Patents

New Mechanical and Engineering Inventions

The Watch--Its Invention and History

New Agricultural Inventions

New Woodworking and House and Carriage Building Inventions

New Miscellaneous Inventions

Communications Received


  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

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August 25, 1877

20% Sitewide for President's Day