Scientific American Magazine
Volume 67, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Advance of Polar Exploration
Art and Photography
Carr's Improved Combination Surface Gauge
An Improved Brick Machine
A Watchman's Electric Time Recorder
How Horse Trotting Improves
Lightning Full Mounted Screw Plates
The Austin, Texas Dam
Improved Reaping, Thrashing, and Bagging Machine
The Study of the Stars
A Field Glass Camera
Communications Received
Departments
Correspondence- September 24, 1892
Recently Patented Inventions- September 24, 1892
Notes and Queries- September 24, 1892
Index of Inventions- September 24, 1892
Business and Personal- September 24, 1892
