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Scientific American Magazine Vol 32 Issue 20

Scientific American Magazine

Volume 32, Issue 20

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Features

Improved Shears for Cutting Bar Iron

The Agricultural Display at the Centennial

The Genesis of Inventors

Death in the Salt Cellar

The Management of Boilers and Engines

Improved Surface Planer

Apparatus for Removing Condensed Steam from Pipes

The New York River Front Improvements

Scott's Patent Sheet Iron Roofing

Improved Low Water Indicator

Improved Washing Machine

Wolff's Button Hole Cutter

Novel Device for Preventing Runaway Horses

The Little Dodo or Dodlet

Decisions of the Courts - May 15, 1875

The Meidinger Battery

Recent American and Foreign Patents - May 15, 1875

Communications Received - May 15, 1875

Departments

Correspondence - May 15, 1875

New Books and Publications - May 15, 1875

Business and Personal - May 15, 1875

Notes and Queries - May 15, 1875

Index of Inventions - May 15, 1875