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Features

Pacific Railroad

The Plowshare Prow

Railroad Accidents

Mills for Grinding

Animal Electricity

Variola and Vaccination

Night Air

Patent Matters

Emerald

Sleep

The Engineers' Strike in England

Explosion of Burning Fluids

Electro-Magnetism as a Motive Power

English Model of the Yacht America

A Telegraph

Tin Roofs

Suspension Bridge

New Enemy to the Pear

A Neat Craft

Converting Rotary into Reciprocating Rectileniar Motion

Saw Mill Improvements

Mildew on Canvas

Improvement in the Manufacture of Gas

Improved Rifle Barrel

Marine Signals

Improved Printing Press

Adamantine Sperm Candles

Tennoning Wheel Spokes

New Rotary Engine

Machinery for Scraping Ivory

Dodge's Printing Press

Attaching Hubs or Wheels to Axles

Light Houses and our Light-House System

Water for Brooklyn

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

Medical Science

Belgian Safety-Lamp

An Expedition to the South Seas

Departments

  • From the Editor

    An Important Paragraph

  • To Correspondents

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June 19, 1852

Confronting Common Wisdom