Scientific American Magazine
Volume 38, Issue 13You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Bench Plane
The Peerless Steam Engine
A Popular Project
Improvements in the Postal Service
The Best Way to Encourage Invention
The Phonograph
Tree Waste and its Sequence
Astronomical Notes
Independent Jaw for Lathe Chucks
A Large Sugar Mill
The New Otto Gas Engine
Communications
Plant Mind
[For the Scientific American.]
Wild Beast Exterminators Wanted
The New Egyptian Cotton
The Progress of Astronomical Photography
Improved Saw Mill Dog
Improved Feed Regulator for Boilers
Cleopatra's Needle
Dobbin's Improved Harrow
Sea Beans
Improved Tricycle
Notes of Patent Office Decisions
Communications Received
Departments
Notes and Queries - March 30, 1878
Business and Personal - March 30, 1878
Index of Inventions - March 30, 1878
Patents - March 30, 1878