Scientific American Magazine
Volume 65, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
Gutta Percha
An Improved Chuck
Portable Electric Lighting Plant
An Attachment to Cool Water in Mains
A Feed Water Heater and Purifier
Improved Scissors for Opening Letters, etc.
Evolutions and Drill of the N. Y. State Naval Reserve Militia
New High Service Stand Pipe, Jersey City Heights
The Mexico, Mo., Tornado
Electro-Microscopic Slide for Testing the Antiseptic Power of Electricity
An Improved Car Coupling
Gymnastic Exercises with the Stick
Departments
Correspondence- August 15, 1891
Business and Personal- August 15, 1891
Recently Patented Inventions- August 15, 1891
Notes and Queries- August 15, 1891
To Inventors- August 15, 1891
Index of Inventions- August 15, 1891
