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Features

Improved Steam Boiler

Bayliss's Improved Tweer Iron

Fogs, Clouds, and Rain, in the Mountains

The Cultivation and Uses of Forest Trees

The McCall and Sloper Process for Preserving Fresh Meats

The Law of Mariotte--Its Relations to the Liquefaction of Gases

American Institute--Polytechnic Branch

Area of Steam Ports

Miscellaneous Summary

Wellington's Patent Water Closet

Bring Out Your Inventions

Improved Pier and Warehouse System for New York

Expiring Subscriptions

The Value of a Scientific and Mechanical Journal

Important Suggestions

No. 1 Advertisers

Patent Claims

Departments

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    Correspondence

  • Business and Personal

  • New Inventions

  • Index

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December 22, 1866

Help Us Reforest the Mississippi River Valley