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Features

Electrically-Fired Gatling Gun

Dr Koch's Cure for Consumption

Zapon a Substitute for Lacquer

How to Estimate our Work on War Vessels

A Machine for Threading and Cutting Off Pipes Etc.

Lake Steamers Built by a Cleveland Firm

A Folding Table for Paper Hangers

Several Useful Tools in One

Improved Croze

An Improved Head-Light for Locomotives

A Simple form of Game

Auxiliary Rifle Barrel for Guns

Notes on Quarrying

By WM. L. Saunders

The United States Collection of Standard Weights and Measures

An Interesting Experiment

Departments

  • Letters

    Correspondence- November 15, 1890

  • Recommended

    New Books and Publications- November 15, 1890

  • Departments

    Recently Patented Inventions- November 15, 1890

  • Business and Personal - November 15, 1890

  • Index of Inventions- November 15, 1890

  • Notes & Queries- November 15, 1890

  • To Inventors- November 15, 1890

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November 15, 1890

Think Outside the Gift Box