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Improved Radial Drill Press, The Siphon Feed Water Regulator and Purifier

The Twins of Chemistry--Potassium and Sodium

Interesting Facts about the History and Consumption of Coal

Practical Recipes

Obituary--Dr. Warren Rowell

A New Toy for Young and Old

The Lenox Top

Pickering's Velocipede

Cunningham's Patent Mortising Auger

Protection of Sheep from Dogs

Japan--Abstract of a Lecture by the Hon George H. Fisher

New Publications

Manufacturing, Mining, and Railroad Items

Recent American and Foreign Patents

Answers to Correspondents

Our Subscribers

Destruction of Fort Lafayette by Fire

Carbonic Acid in Water

Canada, Nova Scotia, and New Brunswick

A Significant Fact

A New Mechanical Toy

The Scientific American--Retrospective and Prospective

Poor Mechanical Work on Agricultural Machinery

Patent Office Items

Reminiscences of Travel in Spain

The Indians--General Sherman's Official Report

The Engines of the Wampanoag

Patents and Claims

Patent Offices


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December 16, 1868

20% Sitewide for President's Day