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Features

Cable Making of the East River Bridge

Recent Great Improvements in Electric Illumination

Torpedo Defence--Invention Wanted

Notes of Patent Office Decisions

Balancing Emery Wheels

New Investigations on Copper Alloys

The Great Railroad Strikes

Apparatus for Preparing Butter for Packing

Improved Grain Scale

A New Dynamometer

A Rotary Mould Board Plow

The Vapart Disintegrator

The American Toad

New Pump

Spelman's Improved Rowlock

Improved Chicken Coop

The Sea Monster

The Carolina Lizard

The Mole Cricket

A Self-Cooling Goblet

New Miscellaneous Inventions

New Agricultural Inventions

New Woodworking House and Carriage Building Inventions

New Household Inventions

New Mechanical and Engineering Inventions

Recent American and Foreign Patents

Communications Received

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • Index of Inventions

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