Volume 10, Issue 30
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Features
Turning Lathe
Self-Regulating Water Gate
Power of Cocoa
Railroads Wanted
The Art of Dyeing--No. 15
Activity Among Inventors
A Deep Spring
Power Loom Shuttle Guard
Coffee Leaf
Errata--Moving a Boat Against the Wind
The New Postage Law
Lighthouses
Improved Dredging Machine
Charcoal Furnaces
The Scientific American
A Bad Habit
Proving of the Gravitation Theory
About Mosquitoes
Heating Factories with Steam--Its Economy
An Excellent Paste for Envelopes
Iodine
American and English Flour
Ambrotypes
Railroad Station Directory
Machine for Planting Potatoes
Operating Valves of Direct-Acting Steam Engines
Steam Engine Governor
Progress of the Telegraph
Steam Versus Ether
Testing Lubricating Oils
Florida Cochineal
Force of the Wind in a Tornado
Steel and Iron
Deterioration of Brass
A Great German Skeleton
A Substitute for Guano
List of Patent Claims
Important Items
Mechanics
Inventors, and Manufacturers