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Scientific American Magazine Vol 41 Issue 4

Scientific American Magazine

Volume 41, Issue 4

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Features

The Electric Light in Photography

The American Polar Expedition

Proposed Exploration of Western Asia

Flint Implements of the Aborigines

Fire-Flies

A Tropical Fruit

A New Brick Machine

Recent American Patents - July 26, 1879

A Novel Steam Car

The Exeter Steam Engine

Progress at Menlo Park

The Sun's Radiant Energy

Amateur Mechanics

An Improved Mill

Natural History Notes

The Aswail

Curious Discoveries in Regard to the Manner of Making Flint Implements by the Aborigines and Prehistoric Inhabitants of America

New Ice Breaker

Engineering Inventions - July 26, 1879

Communications Received - July 26, 1879

Departments

Correspondence - July 26, 1879

Business and Personal - July 26, 1879

Notes and Queries - July 26, 1879

New Books and Publications - July 26, 1879

Index of Inventions - July 26, 1879