Volume 8, Issue 12
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Features
Artificial Flowers
New Lubricating Materials
No Coal on Lake Superior
Singular Properties of the Digit 9
Flax Cotton
Grant's Light for Lighthouses
Patent Cases
Slating the Track
Antistatic Printing, &C
American Entomology
A New Metal
Gun Explosion at Gibraltar
Shingle Machine
Pipe Moulding
Improvement in Rotary Stove Grates
Improved Kettle
The Effect of Climate on Health—Consumption
A Large and Small Wheel
Dinner to Inventors in England
Old and New Inventions
Volcanoes, their Causes—Igneous Theory
Recent Foreign Inventions
Vinegar—its Adulteration
A New Propeller for Steamers
Telegraph between Quebec and Detroit
To Know Good Guano
Iron Casks
Motion of Water
Mechanics
Manufacturers and Inventors