Features
Proposed Exploration of Western Asia
The American Polar Expedition
Flint Implements of the Aborigines
A Tropical Fruit
Fire-Flies
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
- 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
