Scientific American Magazine
Volume 50, Issue 23You are currently logged out. Please sign in to download the issue PDF.
Features
Wrought Iron Tube for Cable Railways
Porcelain Headed Nails
The State of Manufacturing
Softening and Hardening Cast Iron
Stove Pipe Connection
Electric Door Keepers
Folding Egg Case
Canal Boat
Cut-Off Valve Gear
Photographing a Flash of Lightning
Device for Holding and Guiding the Fingers in Writing
Improved Steam Hammer
A Whalebone Arch
The Isatis, or Arctic Fox
Cuff Holder
Watch Maker's Hand Vise and Ring Bender
Miscellaneous Inventions - June 7, 1884
Engineering Inventions - June 7, 1884
Mechanical Inventions - June 7, 1884
Departments
Correspondence - June 7, 1884
Notes and Queries - June 7, 1884
New Books and Publications - June 7, 1884
Business and Personal - June 7, 1884
Index of Inventions - June 7, 1884
