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Features

Improved Seat and Bunk Tent

Notes on Military and Naval Affairs

Rolling Gun Barrels

Floating Bridges

Hardening and Tempering Tools and Metals

Chemistry of Iron

Lanergan's Decklight

Morehouse's Burner for Lamps Without Chimneys

Birdsell's Self-Operating Davit and Cat Hook

Fifteen Thousand Patents Secured Through Our Agency

Rock Oil

To Our Friends

Now is the Time to form Clubs

Harbor Defences--Martello Towers

Our Country and the Scientific American

The War and Business

Benzole--its Nature, Properties and Uses

The Kind of Gunboats Wanted

To Those American Citizens Who Desire to Become Exhibitors at the World' Fair, London, in 1862

The Atlantic Monthly

Recent American Inventions

Patent Claims

Issued from the United States Patent Office

Lane's Capillary Grooved Rulers With Paper Cutter and Rule Combination

Spaulding's Improved Milk Pan

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December 14, 1861

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.