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Features

Remarks on Tempering Tools

Sewing Machine Improvements

Centering Chuck for Lathes

Screw Propellers

Notes on Military and Naval Affairs

Extracts from McClellan's Report on the Armies of Europe

Marsden & Burrell's Camp Candlestick

The Geological History of North America

By Stevens

Segmental Circular Saws

The Gold Mines of Nova Scotia

Squyer's Compensating Spring Balance

The Mason and Slidell War Fever

Thoughts for the New Year

Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan Should Become a Patron of the Scientific American

Corruption in the Administration

Death of Prince Albert

Sea-Island Cotton Arriving

Iron-Clad War Ships--A Patriot's Suggestion

Notes on Shipbuilding--Description of One of the New Gunboats

California Woolen Manufactures--Sewing Machines--Sugar Grasses--Grain Cleaners

Patent Claims

Issued from the United States Patent Office

Recent American Inventions

Ice Houses and Storing Ice

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January 04, 1862

Beyond XX and XY

Biology. Identity. Equality.