Scientific American Magazine
Volume 41, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Friedmann's Ejector
Oriental Sand and Mud Baths
The National Academy
Incendiary Silk
The “Conch Pearl”
Roadmasters' Difficulties
Blast Engine
Mechanical Inventions
Agricultural Inventions
Novel Steam Generator
A New Device for Preventing Journals from Heating
How to Work the New Copying Process
Improved Cabinet Seat
Miscellaneous Inventions
The Care of Tools
An Improved Spindle
New Barrel Lifter
The Otter
Natural History Notes
Engineering Inventions
Departments
Correspondence
Notes and Queries
New Books and Publications
Business and Personal
Index of Inventions
Patents
