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Features

Brush Making by Machinery

American Productions Abroad

The Carbon Telephone

Improved Signal Egg Boiler

The Buffalo Forge

The Brownian Movement

Improved Argand Lamp Burner

A Reliable Test Gold and Silver Coin

Improved Wagon Jack

Improved Sled

Boiler Corrosion

Gas Motors

Swiss Testimony to the Advantages of Our Patent System

A Remarkable Picture of the Moon

Improved Rotary Force Pump

Improved Geared Friction Shaper

The Paris Exhibition Building at the Trocadero

Physiological Effects of Thirst

African Diamonds

M. Becquerel

Astronomical Notes

By Berlin H. Wright

Proposed Thames Bridge

Is it a Mere Coincidence?

Notes of Patent Office Decisions

Communications Received

Departments

  • Departments

    Index of Inventions

  • Business and Personal

  • Notes and Queries

  • Patents

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June 08, 1878

See the World from a Different Perspective

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