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Health--How to Preserve it

To Preserve Leeches

The Chlorides of Gold

Rembert's Reaping, Threshing, and Separating Machine

Reduction of Fare on the Jersey Railroad

To Soften Putty, and Remove Glass Without Breaking

Road to the Pacific

Expedition of Sir John Franklin

The Vatican at Rome

The Scientific American

Sponge Fishing

Things as They Exist

A Polar Bear

Handsome Editor

Turkish Plan of Curing Founder in Horses

Surgical Operation

Fast Running on the Central Road

Design in the Natural World

American Indigo

The Cotton Experiment in Australia


Self-Made American Opticians

Preparation of Sugar

Patent Oat Flour

New Paddle Wheel

New Algebraic Method

Improved Journal Box

Improved Fire-Arm

Heal's Patent Process for Purifying Feathers

New Way to Make Red Hot Shot

The Great Rotary Engine

Great Fair of the American Institute No. 2

Scientific Memoranda

Discovery of Ventilation

Riots at Philadelphia

Patent Suits

Notice to Editors

New Discovery in Agriculture

What Water Can Do

Patent Office Report for 1848

New Dam at Hadley Falls

List of Patent Claims

Centre of Gyration

A Hard Lot

Trial by Jury in Patent Cases,--No.5

Atlanta, Ga

American Female Artists

Taxation for Free Schools

Expensive Shirt Bosoms

That Fossil Ape

Meteorological Observations

Floating Bee-House

To Mechanics and Inventors

The Best Mechanical Paper

City Life

Scientific Art

Hollow Iron Moulding

Fatal Steamboat Accident

Elastic Force of Steam


  • From the Editor

    To Correspondents

  • Letters

    Experiments on the Steam Engine

  • Cingalese Jewellers and Their Forges

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