Scientific American Magazine

Italian Colonization in Africa

A New Theory of Light Sensation

An Extension Ladder for Sleeping Cars

Polishing and Buffing Lathe

An Incline Elevator and Dump

Cigarette Paper

An Improved Car Coupling

The Chase-Kirchner Aerodromic Railroad

Manufacture of Rock Candy

A Large Punching Machine

A Method of and Apparatus for Amalgamating Ores

A Carpenter's Makeshift

Novel Electric Rock Drill

Why Flowers are Beautiful

To Inventors - May 5, 1894

Correspondence - May 5, 1894

Notes and Queries - May 5, 1894

New Books and Publications - May 5, 1894

Recently Patented Inventions - May 5, 1894

Business and Personal - May 5, 1894

Index of Inventions - May 5, 1894

Patents - May 5, 1894