Features
Model Tenements
Progress of the Telephone
The Patent Bill Defeated
How the Patent Bill Died
Safety at Sea
A Glass Mountain and Road
A Surprise to Millers
Mr. Robert G. Hatfield
American Industbies-No. 9
New Vertical French Burr Mills
Recent American Patents - March 22, 1879
New Testing Machine
Recent American Inventions - March 22, 1879
A New Honey Extractor
Some Anatomical Peculiarities in the Male Chimpanzee
The Praxinoscope
Engineering Inventions - March 22, 1879
A New Packing Box
Some Recent Inventions - March 22, 1879
The Giant Snapping Turtle
The Parasol Ants of Texas
Siemens' Electric Current Governor
Edison's Electric Light
New Electric Lamp
The Edison Electric Light
Righi's Telephone
The Mexican Industrial Exhibition
The Agricultural Exhibition in London
To Inventors - March 22, 1879
Communications Received - March 22, 1879
Departments
- Departments
Business and Personal - March 22, 1879
Notes and Queries - March 22, 1879
Index of Inventions - March 22, 1879
