Scientific American Magazine Vol 94 Issue 13

Scientific American Magazine

Volume 94, Issue 13

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Features

What are Atoms, Electrons, and Ions?

A Quart Measure in a Pint Pot

Earthquakes and Dam Construction at Panama

Proposed Bill for the Extension of Patents

People Who Have Eaten Books

Electrical Music

A Simple and Speedy Motor Sleigh

The New Cunarders

Artistic French Taxidermy

Jacques Boyer

Boring Out Columns in Solid Rock

L. Ramakers

New Type of Armor-Piercing Shell

A Puzzling Bit of Foundry Work

C. Metcalf

The Walschaert Valve on American Locomotives

Business and Personal Wants - March 31, 1906

READ THIS COLUMN CAREFULLY--You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information In every case it is necessary to give the number of the inquiry. MUNN & C O

Departments

The Heavens in April, 1906

Correspondence - March 31, 1906

New Books, Etc. - March 31, 1906

Recently Patented Inventions - March 31, 1906

Index of Inventions - March 31, 1906

Patents - March 31, 1906