Scientific American Magazine
Volume 51, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
Hydraulic Lift Bridge
Cutting Leading Screws
Contraction of Steel
Device for Transmitting Motion
Improved Thill Coupling
Balanced Slide Valve
Pneumatic Lock
The Harden Hand-Grenade Fire Extinguisher
Device for Securing Box Covers
Index for Journals, Letter Files, Etc
Shaft Coupling
Machine for Grinding Indigo and Ultramarine
Attitudes After Death
New Automatic Cut-Off Agricultural Engine
Telephone Support
Mechanical Inventions - July 12, 1884
Miscellaneous Inventions - July 12, 1884
Engineering Inventions - July 12, 1884
Agricultural Inventions - July 12, 1884
Departments
Correspondence - July 12, 1884
Notes and Queries - July 12, 1884
New Books and Publications - July 12, 1884
Index of Inventions - July 12, 1884
