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Improved Salt Evaporator

Notes on Military and Naval Affairs

Some Curious Facts about Shells

On Force--Laws of Motion

Census Statistics of 1860

Valuable Receipts

Power of Penetration

Manufacture of Steel and Brass Wire Cloth

The Two Great Monitors

The Sewing Machine Business as it is Compared with What it was Ten Years Ago

The Monitor as a Sea Boat

Miscellaneous Summary

Recent American Inventions - August 16, 1862

Fires and Steam Fire-Engines

Patent Claims

To Our Readers

Shaw's Apparatus for Saving Silver from Waste Solutions


  • Letters

    Correspondence - August 16, 1862

  • Departments

    Notes and Queries - August 16, 1862

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