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Features

Purifying Illuminating Gas

Improved Cork-Cutting Machine

Liquefaction of Flint in Water

Electro-Magnetism and Locomotives

Uses of Liquified Quartz

Compressed Air-Engines

Mr. Donald Mckay's Opinions of British Shipping

Tempering Steel Wire

A Good-Natured Letter

Improved Preserve Can

Work of Water-Wheels by Night and Day

Cleaning Boilers

Our Journal in Europe

Perpetual Motion--Pathetic Story of its Inventor

Pyrometer on the Principle of the Steam Gage

Infringement Case

Merits of Galvanized Iron

Coal Oil--Secret Inventions

Steel from Cast-Iron Without Fire

Advice About Patent Extensions

A Column of Interesting Varieties

Improved Molding Device

Steam-Boiler Inspection

Improvement in Valve Rods for Self-Feeding Boilers

The Buffalo Big Ship

The New Time Ball

Perpetual Motion

Architecture and Building Materials

A Remarkable Meteor

Removing Mildew From Linen

Iron and Wood for Ships

Sewing-Machines and the American Institute

Weekly Summary of Inventions

Foreign Summary--News and Markets

Patent Claims

Discovery of a Sunken City

Improvement in Hemming-Guides for Sewing-Machines

Improved Chimney Caps

Departments

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    Notes and Queries

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November 26, 1859