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To Fatten Fowls

Bronze Mordant

American Apples

Our Lines of Railroads

Liquid Saleratus

Wilder's Revolving Cylinder Engine

True Heroism

Pentenkofer's Copper Amalgam

Ogdensburg Railroad

Malleable Brass

Keeping Pumpkins

Gold in Rolite

To Give Copper Goods a Costing of Bronze or of Brass

The Races of Man

Fair of the American Institute

A Fire Engine for the Industrial Exhibition

How to Keep Worms out of Dried Fruit

Industrial Exhibition in 1851—Circular

Unrolling of an Egyptian Mummy in Ireland

Mills for South America

The Arkwrights As They Are

Vacuum for the Transmission of Power

The Voltaic Battery—Precipitation of Metals

Number VI

The Tobacco Business

The Linen Trade of Ireland

New York Mechanics' Institute

Improvement in Dams

A New Life-Boat

Improved Locomotive Boiler

Electro Magnetic Passenger Index

Decision of the Patent Office

Washing Stairs or Passages

Warren's Steel Spring Chairs

Steam Between Antwerp and New York

Causes Which Contribute to Give Various Temperatures to Countries in the Same Latitude

American Chair Manufacturing Company

Reform of the English Patent Laws

Box and Match Machine Wanted

Maryland Institute of Mechanic Arts

Commissioner of Patents' Report

The Foot Prints of the Creator

List of Patent Claims

Physical Aspect of Geological Systems


Complimentary about Patents

Patent Cases. Important Decision


An Important Paragraph

Lucog Correspondents

Fat and Lean

Scientific Memoranda



Telegraph in America


  • From the Editor


  • To Correspondents

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November 23, 1850

Science for the Modern World