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

Interesting Facts about the History and Consumption of Coal

The Twins of Chemistry--Potassium and Sodium

Practical Recipes

A New Toy for Young and Old

Obituary--Dr. Warren Rowell

The Lenox Top

Protection of Sheep from Dogs

Cunningham's Patent Mortising Auger

Pickering's Velocipede

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

Manufacturing, Mining, and Railroad Items

New Publications

Answers to Correspondents

Recent American and Foreign Patents

Our Subscribers

Patent Office Items

The Scientific American--Retrospective and Prospective

Canada, Nova Scotia, and New Brunswick

A New Mechanical Toy

Carbonic Acid in Water

A Significant Fact

Destruction of Fort Lafayette by Fire

Poor Mechanical Work on Agricultural Machinery

Reminiscences of Travel in Spain

The Engines of the Wampanoag

The Indians--General Sherman's Official Report

Patents and Claims

Patent Offices


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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis