Scientific American Magazine
Volume 62, Issue 15You are currently logged out. Please sign in to download the issue PDF.
Features
Stocking the Hudson With Salmon
Smokeless Gunpowder
Patent Office Salaries
An Improved Car Coupling- April 12, 1890
An Improved Drainage and Sewerage System
An Improved Dough Kneader
An Improved Printer's Galley
Compressed Air Passenger Cars
An Improved Cotton Cultivator
The Lovell Diamond Safety Bicycle
A Machine for Distributing Poison on Plants
An Improved Pencil Sharpener and Holder
An Improved Stove-Pipe Shelf
An Improved Check Punch
A Device for Attaching Cost or Price Tickets
The Cyclone of March 26, 27, and 28
To Inventors- April 12, 1890
Departments
New Books and Publications- April 12, 1890
Recently Patented Inventions- April 12, 1890
Business and Personal- April 12, 1890
Notes & Queries- April 12, 1890
Index of Inventions- April 12, 1890
