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Scientific American Magazine Vol 41 Issue 26

Scientific American Magazine

Volume 41, Issue 26

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Features

Strength, Weight, and Fineness of Woven Fabrics

A Year's Progress

Erastus Brigham Bigelow

The Future of Africa

Remarkable Fly Wheel Explosion

The Scientific American for 1880

Stamps for Trade Marks

The Duplex Air Compressor

Miscellaneous Inventions

A New Telephone

The Climax Safety Hammerless Gun

Boat-Lowering and Detaching Apparatus

Agricultural Inventions

American Industries.--No. 27

Mechanical Inventions

New Car Step

New Stone-Dressing Tool

The Sea Serpent Accounted for

Daniel C. Beard

Departments

Notes and Queries

Business and Personal

Patents

Index of Inventions