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Features

The Firmenich Safety Steam Boiler

A Neglected Industry

Mind, Muscle, and Machinery

A Keely Seance

An Industrial Paradox

Fire Telegraphs in Germany

Astronomical Notes

By Berlin H. Wright

Combination Needle and Thread Cutter

A Simple Furnace

Communications

Our Iron Industry

Notes from the Paris Exhibition

File Sharpening by the Sand Blast

Improved Shears for Marking Stock

Improved Yielding Hat

Notes of Patent Law-Decisions of the Courts

The Doum Palm

Official Prejudice

The New Laurent Saccharometer

An Improved Gang Plow

Patent Gear-Dressing Machine

Poisonous Leguminous Plants

Departments

  • Departments

    Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index

  • Patents

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The Essential Guide to the Modern World

The Essential Guide to the Modern World