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Steam Thawing Machine

Filling Around Celler Walls

New Gold Varnish

Addison's Improved Gold Separator

The Trade in Pearl Shells

Another Alleged Cure for Hydrophobia

Hot Air Furnaces

Scott Russell's Great Steamship


List of Patent Claims

Theory and Practice in Mechanics

Treatment of Scarlet Fever

Chancery and Jury Trials in Patent Cases

Draper's Mill-Stone Dressing Machine

Circular Saws

The Lost Marine Telegraph Cable

Winds of the Northern Hemisphere

Curious Mountain in California

Sisal Hemp

Manufacture of White Lead at the West

Steam Engines

Great Destruction of Steamboats

Covering Railroads

Criticism on the Steamship Persia

New Saw Mill Governor

Friction Matches

Pressure of Steam in Boilers

Recent American Patents

Reduction of British Patent Fees

Gold and Its Uses--No. 2

Progress of the Great Fraud

Recent Foreign Inventions

Fossil Fishes of California

Ding-a-ling, Ding-a-ling

Important Items

Measuring Falling Water--No. 1

Wheat, Flour, Bakers and Millers


Inventors, and Manufacturers

The Pitch Lake of Trinidad

French Method of Building Houses

Increasing the Speed of Steamboats


  • Letters

    To Correspondents

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