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Bethel's Process for Preserving Wood

Improved Sugar Mill

The Foundations of Houses


Drains and Cesspools

Preserving and Coloring Wood and Marble

Fish Chutes for Dams

Novel Air Pump

Mechanical Horse-Tamer

Discoveries Concerning the Nebul

Atmospheric Electricity as a Motor

Diamonds in the Arts

Plating on Iron

The Pleasures of Knowledge

Summer Sours

To Make Butter in Five Minutes Without a Churn

Aluminum-Bronze for Axle Boxes

Coal Formations of North America

Questions About Heat

The Swing as a Cure for Consumption

Landry's Railroad Chair

Death of Rufus Choate

Balloons in Warfare

Cork Trees in California

“In Hosts They Come in Legions March Away”

Uniform Musical Pitch

What is the Jonval Turbine?

Important to Gardeners

Agricultural Chemistry

Garrett's Cotton Seed Planter

Improved Turbine Wheel

The Fathers of Philosophy--IV

Cheap Sewing Machines Wanted in Germany

Experiments with Screw Propellers

American Association for the Advancement of Science

The Collins Steamers

A New Mode of Shoring

Foreign Summary--Metals and Markets

A Self-Supporting Bracket

Mineral Oils

Patent Claims

Low Water Indicator

Pleasant Drinks


  • Departments

    New Inventions

  • Notes and Queries

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