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Improved Dovetailing Machine

Management of Boilers

The "Scattering" of Shot Guns

Water--Its Weight and Power

The Obstruction to the Navigation of Rivers Caused by the Piers of Bridges

By J. W. Sprague

The New York Central Park

Polytechnic Association of the American Institute

Improved Pedal Bass for Melodeons

The use of Diamonds for Millstones

The Purification of Gold

Shaw's Shade-Supporters or Shade Clasps for Lamps

Preventing Boiler Explosions

Economy of Anthracite Coal for Locomotives

Belts for Driving Machinery--Which Side is Best?

Yarbrough's Improvement in Dressing Millstones

White Enameled Cast Iron Ware

Journal of Patent Law

A Column of Varieties

American Photographic Society

Dutcher's Self-Acting Brake

A Simple Apparatus for Illustrating the Precession of the Equinoxes

Mershon's Watch Regulator

Health of Trades and Professions; Labor-Saving Machinery

Nature Carrying Off a Dead Horse

Linseed Oils

The New York Zoological Gardens

Weekly Summary of Inventions - March 24, 1860

Foreign News and Markets - March 24, 1860

Patent Claims - March 24, 1860

Issued from the United States Patent Office

Industry--Manufactures--Commerce

Hints To our Readers

City Boiler Inspection

Von Bonhorst's Excelsior Lard Lamp

Billings' Improvement in Freight Cars

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    Notes and Queries - March 24, 1860

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March 24, 1860

See the World from a Different Perspective

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