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Features

The Science of Aerostation, A Costly Experimant, and more

Manganese in Steel

Miscellaneous Summary

The Boiling of Water

Cline's Patent Governor

Lex Talionis

Patent Office Appropriations

Paper and Cloth from Indian Corn Husks

Experiments with Chinese Sugar-Cane

The “Onondaga”

Heavy Artillery

Valuable Receipts

Applications for the Extension of Patents

A Lecture on Coal

Patent Claims

Recent American Patents

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March 28, 1863

Think Outside the Gift Box