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Pacific Railroad

The Plowshare Prow

Railroad Accidents

Animal Electricity

Mills for Grinding

Variola and Vaccination

Night Air

Patent Matters



Explosion of Burning Fluids

The Engineers' Strike in England

Electro-Magnetism as a Motive Power

A Telegraph

English Model of the Yacht America

A Neat Craft

Tin Roofs

Suspension Bridge

New Enemy to the Pear

Converting Rotary into Reciprocating Rectileniar Motion

Saw Mill Improvements

Mildew on Canvas

Improvement in the Manufacture of Gas

Improved Rifle Barrel

Adamantine Sperm Candles

Marine Signals

Improved Printing Press

Dodge's Printing Press

Attaching Hubs or Wheels to Axles

Tennoning Wheel Spokes

New Rotary Engine

Machinery for Scraping Ivory

Water for Brooklyn

Light Houses and our Light-House System

Profits of Patents

Courts of Equity

Arresting Conflagrations in Cities

The Reformation of the United States Judiciary System

Valley of the Amazon

The Country for the Consumptive

List of Patent Claims

Patent Laws, and Guide to Inventors

Back Numbers and Volumes

Boiler Explosions

Belgian Safety-Lamp

An Expedition to the South Seas

Medical Science


  • From the Editor

    An Important Paragraph

  • To Correspondents

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June 19, 1852

Of Shamrocks and Science

Happy St. Patrick’s Day