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Features

Chemical, Natural, and Physical Magic

Physical Changes and Personal Identity

Evaporation

America Helping England

Sawdust Timber

Cotton's Preserve Can

The Commissioner's Report

Phelps' Water Cooler

New Smut Machine

Annual Report

Sources of Nitric Acid

Personal

Patent Lobbying in Congress

Commissioner Holt's Decision

Removal

Departments

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    Notes and Queries

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February 26, 1859

Think Outside the Gift Box