Scientific American Magazine
Volume 60, Issue 23You are currently logged out. Please sign in to download the issue PDF.
Features
The New London Double Track Railroad Bridge and Draw Span
An Expected Revolution in Steam Navigation
An Improved Sash Fastener
An Improved Steam-Actuated Valve
An Improved Vegetable Cutter
An Improved Guide for Band-Saws
An Improved Pinch Bar
Jerboas, Marmots, and Lemmings in the Zoological Garden of Berlin
An Improved Folding Step-Ladder
An Improved Air Ship
A Siren for Measuring Velocities
A Scientific Will-O'-the-Wisp
Departments
Business and Personal- June 8, 1889
Recently Patented Intentions- June 8, 1889
Notes and Queries- June 8, 1889
Index of Inventions- June 8, 1889
To Inventors- June 8, 1889
