Scientific American Magazine
Volume 62, Issue 26You are currently logged out. Please sign in to download the issue PDF.
Features
Position of the Planets in July
Disappearance of Energy
An Improved Collar for Grinding Pans
An Improved Hoop Shaving Machine
An Improved Hinge
A Machine for Making Articles from Pulp
Improved Cement Sinks, Washtubs, Etc.
An Improved Car Coupling
The Berlin Electrical Works
A Residence at Portchester, N. Y.
Some Things in Wire
Departments
Recently Patented Inventions- June 28, 1890
Index of Inventions- June 28, 1890
Business and Personal- June 28, 1890
