Features
People Who Can't be Helped
Steam on the Common Roads
Working of Copper Ores
Conference of Swiss Wrists at Geneva
A Promising Field for Invention
Cuba as a Field for Enterprise
American Dexterity
The "True Thread"
An Inventor's Difficulties in England
Testing Machines at the Paris Exhibition
The Recent Eclipse of the Sun
Astronomical Notes
Penn Yan, N. Y., Saturday, October 5, 1878
The Stylographic Pen
How to Test a Lathe
Zoological Garden at Fairmount Park, Philadelphia, How Calicoes Are Made, and more
The Porcupine Ant Eaters Recently Discovered in New Guinea
The New Carpet Beetle
Departments
- Departments
Notes and Queries
Business and Personal
Index of Inventions
Patents
