Scientific American Magazine
Volume 72, Issue 17You are currently logged out. Please sign in to download the issue PDF.
Features
Petroleum, the Great Illuminant
The Prentiss Calendar and Time System
A Watchmaker's Staking Pliers
An Automatic Time Dater
An Improved Car Fender and Brake
An Improved Car Brake
Improved Knitting Machinery
The Nafew-Lovell Check Protector
The West Side Metropolitan Elevated Railway System of Chicago
Some Interesting Animals
James D. Dana
Departments
Correspondence - April 27, 1895
Recently Patented Inventions - April 27, 1895
New Books and Publications - April 27, 1895
Index of Inventions - April 27, 1895
Notes and Queries - April 27, 1895
Business and Personal - April 27, 1895
Patents - April 27, 1895