Scientific American Magazine
Volume 65, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
Plates for Secondary Batteries
Important Improvements in Sorghum Sugar Manufacture
Poor Engineers and Good Boilers
Position of the Planets in December
Coal Handling Devices
A New Street Cleaner
An Improved Springless Lock
A Pipe Die Stock for Various Sizes of Pipe
An Improved Window Frame
An Efficient Knife-Grinding Machine
An Automatic Grain Measuring Machine
The Exhibition of 1892-93
Static Electrical Motors
Bessemer's Fluid Metal Rolling Mill
Photographic Notes- November 28, 1891
A Telescope for Schools and General Use
Departments
Correspondence- November 28, 1891
New Books and Publications- November 28, 1891
Recently Patented Inventions- November 28, 1891
Notes and Queries- November 28, 1891
Business and Personal- November 28, 1891
Index of Inventions- November 28, 1891
To Inventors- November 28, 1891
Patents- November 28, 1891