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Features

Brush Making by Machinery

American Productions Abroad

The Carbon Telephone

Improved Signal Egg Boiler

The Brownian Movement

The Buffalo Forge

Improved Wagon Jack

Improved Argand Lamp Burner

A Reliable Test Gold and Silver Coin

Improved Sled

Gas Motors

Boiler Corrosion

Swiss Testimony to the Advantages of Our Patent System

A Remarkable Picture of the Moon

The Paris Exhibition Building at the Trocadero

Improved Geared Friction Shaper

Improved Rotary Force Pump

Physiological Effects of Thirst

African Diamonds

Astronomical Notes

By Berlin H. Wright

Proposed Thames Bridge

M. Becquerel

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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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial