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Features

The Firmenich Safety Steam Boiler

Mind, Muscle, and Machinery

A Neglected Industry

A Keely Seance

An Industrial Paradox

Astronomical Notes

By Berlin H. Wright

Fire Telegraphs in Germany

Combination Needle and Thread Cutter

A Simple Furnace

Our Iron Industry

Communications

Notes from the Paris Exhibition

File Sharpening by the Sand Blast

Improved Shears for Marking Stock

Improved Yielding Hat

The Doum Palm

Official Prejudice

Notes of Patent Law-Decisions of the Courts

The New Laurent Saccharometer

Patent Gear-Dressing Machine

An Improved Gang Plow

Poisonous Leguminous Plants

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index

  • Patents

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June 29, 1878

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