Scientific American Magazine
Volume 61, Issue 12You are currently logged out. Please sign in to download the issue PDF.
Features
The Recent Meeting of the American Association for the Advancement of Science
Eikonogen-A New Universal Developer for Photographic Dry Plates and Bromide Paper
An Improved Fruit Picker
An Improved Steam Boiler
A Combined Carpenters Rule, Calipers, Etc
An Improved Lock Joint for Beams
An Improved Valve Head for Blowing Engines
An Improved Blacking Box
An Improved Pen Holder
An Improved Two-Wheeled Vehicle
An Improved Music Leaf Turner
An Improved Artificial Leg
The Brooklyn Navy Yard
Tangent Galvanometer
The Paris Exhibition
The First Gallery of the Eiffel Tower
Departments
Correspondence- September 21, 1893
Recently Patented Inventions- September 21, 1893
Notes and Queries- September 21, 1893
Index of Inventions- September 21, 1893
Business and Personal- September 21, 1893
To Inventors- September 21, 1893
