Features
Animal Vaccination
A Cushioned Ear Piece for the Telephone Receiver
A New Chuck
A Sectional Water Tube Boiler
A Letter Copying Book with Which a Press is not Needed
The Sumatra Rhinoceros in the Leipzig Zoological Garden
A Remarkable Explosion
The New American Steamer St. Paul
An Improved Map
To Inventors - April 20, 1895
Departments
- Letters
Correspondence - April 20, 1895
- Departments
Recently Patented Inventions - April 20, 1895
Business and Personal - April 20, 1895
Index of Inventions - April 20, 1895
Notes and Queries - April 20, 1895
Patents - April 20, 1895
