Volume 64, Issue 15
You are currently logged out. Please sign in to download the issue PDF.
Features
The Patent Centennial Celebration
The Reduction of Patent Fees
An Improved Astronomical Mirror
A Tool for Dehorning Calves
Reversible Blind Hinges
A Self Adjusting Girth Fastener
An Improved Pipe Hanger
Electroplating the Dead
A Notable New Pullman Passenger Train
The Chignecto Ship Railway
Automatic Sawdust Feed for Furnaces
The Lovell Diamond Safety Bicycle
A Convenient Fruit Packing Press
Brownlow & Warner's Truss
An Envelope Gum Moistener
An Improved Drawer Stop
Scientific American Building Edition- April 11, 1891
To Inventors- April 11, 1891
Advertisements- April 11, 1891
Inside Page, each insertion – 75 cents a line.
Back Page, each insertion – $1.00 a line
Useful Books!- April 11, 1891
The Scientific American Publications for 1891- April 11, 1891
Experimental Science- April 11, 1891
The Scientific American Established 1846- April 11, 1891
The Most Popular Scientific Paper in the World