Scientific American, August 2, 1856 - Polarized light; Expected comet; etc

Features

Convenient Railroad State

Cause of the Inundations in France

Direct Acting Pumping and Cornish Engines

Improved Platform Weighing Scale

Polarized Light

Our Mechanics

Good Speed

List of Patent Claims

Bust of Columbus

Death of an Artist

Recovery of the Lost Telegraph Cable

More American Printing Presses for England

Railroad Accident--The Verdict

The Poison Strychnine

New Source of Chloroform

Interesting Experiments with Steam Boilers

Walls of Hollow and Solid Bricks

Mechanical Discussions--American Institute Club

New Shingle Machine

Philosophy of Wetting Bricks

The New Steam Frigate Wabash

Recent Foreign Inventions

The Woodworth Patent Extension

Seward's New Patent Bill

Recent American Patents

Improvements--No Standing Still

Testing Natural and Bent Ship Knees

Does the Moon Rotate

Glass Ballot Box

To Make Ink

The Expected Comet

Improvement in Coach Windows

Notes on Patented Inventions No. 16

Southern Wheat

Important Items

To Correspondents

The Effect of Color upon Health

Manufacture of Chinese Porcelain

Wonderful Fountains

A New Sugar Plant

Frazee's Saw Mill

Artificial Stone

Plate Glass

Mechanics

Palace Discovered Underground

Growth of Mineral Earths

Improved Carriage