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Improved Force and Lift Pump

Motion and Heat


Disinfecting Agents

Gold Quartz Factories

Sharpe's Rifles for England

List of Patent Claims

The Great Yacht Race

Lake Phenomena

Ancient Ruins--Coal

Ascent of Balloons

Material for Roofing Buildings

Brakes to Fire Engines

Cowperthwaite's Patent Hydrant

Venetian Glass--How They Make Beads


Improved Bevel Plane

Recent Foreign Inventions

New Tidal Flood Gate

Notes on Ancient and Curious Inventions--No.9

Telegraph Improvements

Recent American Patents

Perpetual Almanac

The Press on the New Patent Bill

Curious Instinct of Plants

American Steamboat Engines for the Danube

Who First Employed Anthracite Coal in Smelting Iron

Important Items

Does the Moon Rotate

Fish Eggs


Form of the Earth

Improved Stump Puller

Gold Coinage

Improved Ventilation of Ships

New Mowing Machine


  • Letters

    To Correspondents

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June 14, 1856

Of Shamrocks and Science

Happy St. Patrick’s Day