Volume 8, Issue 24
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Features
Tests for Guano
Plastic Materials for Forming Various Objects
Improvement in Boot Trees
A Brother Mechanic to his Brethren
Hot Air and Steam
Heliochromy
Sperm Oil
Machinery and Tools as they are.—Saws and Saw Mills
Labor Law in Rhode Island
The Tunnelling Machine
Burning Fluid and the Newell Lamp
United States Survey
Basket Willows
The French Navy
Improved Spike Machine
Corn Grinding Mill
Improved Railroad Switch
Improved Cider Mill
Stone Dressing Machine
Another Specimen Letter
Hot-Air Furnace
Another Improved Car Seat
Novel Engineering Project—A Marine Railway One and a Quarter Miles in Length
Burning Fluid Lamp Controversy
Hot Air and Steam—The Ericsson Engine
The Commissioner of Patents
Riddle's Report of the Great Exhibition
The Great Silk Workshop
Ingenious Invention—Ship's Indicator
Destruction of Moose and Deer
Motive Power Without Fuel
The Ericsson Hot Air Ship
A Want Supplied
Manufacture of Boiler Iron
Mechanics
Manufacturers and Inventors