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Improved Feed-Water Heater

Heat and Force of the Solar System

Polytechnic Association of the American Institute

Tinning Sheet Iron

The Linen Manufacture in Ireland

The Manufacture of Starch

Turning Tools

Seasoning and Drying Lumber and Timber

Valuable Practical Recipes

Market for the Month

Recent American Patents

Chittenden's Horseshoe

Employment for Disabled Soldiers

Are Bank Deposits Currency?

Hot Bearings

Corn Husk for Paper Stock

Amendment to the Patent Laws -- Important to Patentees

Invention Perpetual

Dry Printing


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  • Notes and Queries

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