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Improved Governor and Cut-Off

Browning for Gun Barrels

“Why Do Not Ladies Skate?”

Envelope Machine

Tozer's Gas Burner

Automatic Oven

New Gas Retort

Signing Drawings--How it Works

Variegated Wood

Orcutt's Paddle Wheel

Ventilating and Extinguishing Fires in Ships

Yankee Locomotives in Egpyt


Meterology--Interesting Fact--No. 3

Body and Brain

Expansive Gases for Motive Power

Rejected Patents

The Telescope--Invention and Learning

Pressure on Slide Valves

The Manufacture of Coal Oil--The First Patent


Inventors, Millwrights, Farmers and Manufacturers

Thompson's New Railroad Car


Suspension Lumber Bridge

Hubbard's Hoof-Expanding Horseshoe

Cumming's Ballot Box


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Scientific American Health & Medicine

Scientific American Health & Medicine