Scientific American Magazine Vol 72 Issue 2

Scientific American Magazine

Volume 72, Issue 2

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Features

Parallel Boundaries

James H. Gridley

An Efficient Force Pump

A New Measuring and Registering Device

The "Diamond" Shears and Scissors Sharpener

An Improved Ore Crusher

The Battle of the Yalu River

A New Log Loader

The American Gas Furnace Company's Gas Plant and Furnaces

Hydraulic Jaw Plate Punch

Gas Engine Tricycle

Life in the Pampas--a Tug of War

To Inventors - January 12, 1895

Departments

Correspondence - January 12, 1895

Notes and Queries - January 12, 1895

New Books and Publications - January 12, 1895

Business and Personal - January 12, 1895

Recently Patented Inventions - January 12, 1895

Index of Inventions - January 12, 1895