Scientific American Magazine Vol 5 Issue 52

Scientific American Magazine

Volume 5, Issue 52

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Features

Sweet's Patent Excavating Scraper

Gravity

New York and Erie Railroad

To Find the Tonnage of Ships

Cheap Railway Fares in England

The Present Cotton Crop

Rats for the Table

History and Construction of the Thermometer

The Floods of 1850

Quadrature of the Circle

List of Patent Claims

Magnetic Principles of the Solar System or Deductions from Experiments with the Solar Magnetic Engine and previously known Astronomical Truths

The Largest Grape-vine in The United States

India Rubber Flute

Variations of the Compass

Tapestry Velvet and Other Carpets

Improved Machinery for Grinding Spiral Knives

The Bakatlas of South Africa

Crank and Pully

Improvement on Steam Engines

The Electric Telegraph in Europe

To Inventors and Patentees

Improvements in Carding

Scientific and Mechanical Information

Sticking, or Court Plaster

Engravings

London Industrial Exhibition

The Great State Fair

To Our Contemporaries

To Our Subscribers—The End of the Volume

Answers to Correspondents

Index

Scientific American for Binding

Patent Claims

Important Notice to us

Departments

To Correspondents