Scientific American Magazine
Volume 68, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Moving a Bridge by Rail
The Legal Status of Railroad Employes
Position of the Planets in April
A Recent Improvement in Buckles
An Improved Car Axle Box
An Improved Camera Lucida
An Independent Lathe Chuck
A Tellurian for the Home and School
Improved Rubber Toys
The Oldest Musical Instruments
An Improved Harrow
The Telautograph
An Electric Heater for Cars
Factory Driving by Electricity
The New Steel Steamer El Rio
Dust and Sand Figures on Membranes
To Inventors - April 1, 1893
Departments
Correspondence - April 1, 1893
Recently Patented Inventions - April 1, 1893
New Books and Publications - April 1, 1893
Business and Personal - April 1, 1893
Index of Inventions - April 1, 1893
