Scientific American Magazine Vol 97 Issue 21

Scientific American Magazine

Volume 97, Issue 21

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Features

Commerce on the Great Lakes

Labor Saving at Panama

Our National Wastefulness

Logging in the Northwest

Raymond M'Bride

“Knots” in the Rings of Saturn

S. A. Mitchell

The Clifden Station of the Marconi Wireless Telegraph System

The Largest Single Office Building in the World

The Quadruple Turbine Steamship “Mauretania”

Patent Department - November 23, 1907

A Faucet Connection for Generating Electricity

Automatic Coupling for Brake Pipes

Water Elevator for Windmills

Improved Ditching Plow

Departments

Correspondence - November 23, 1907

Recently Patented Inventions - November 23, 1907

Index of Inventions - November 23, 1907