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The Electric Light in Photography

Proposed Exploration of Western Asia

The American Polar Expedition

Flint Implements of the Aborigines

A Tropical Fruit


A New Brick Machine

A Novel Steam Car

Recent American Patents - July 26, 1879

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

Engineering Inventions - July 26, 1879

New Ice Breaker

Communications Received - July 26, 1879


  • Departments

    Correspondence - July 26, 1879

  • New Books and Publications - July 26, 1879

  • Notes and Queries - July 26, 1879

  • Business and Personal - July 26, 1879

  • Index of Inventions - July 26, 1879

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