
Volume 40, Issue 7
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Features
Will Blood Tell?
The New Patent Bill as Passed by the Senate
A Floating Electric Light
American Industries.--No. 5
The Manufacture of Lubricene
The License Fee as a Measure of Damages
A Novel Railway Trace
An Improved Type Writer
A New Check Row Corn Planter and Drill
The Hancock Inspirator
Amateur Mechanics
Centering and Steadying
The Manufacture of Sewing and Floss Silk
Aveling & Porter's Road and Farm Locomotive
Fire and Water Indicator
The Octopus at the Berlin Aquarium
Barrel for Shipping Bottled Liquors
Chest of Ebony
To Inventors
Communications Received
Value of Patents and How to Obtain Them
Prospectus of the Scientific American for 1879
The Most Popular Scientific Paper In the World. VOLUME XL—NEW SERIES.