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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

The “Onondaga”

Experiments with Chinese Sugar-Cane

Heavy Artillery

A Lecture on Coal

Valuable Receipts

Applications for the Extension of Patents

Recent American Patents

Patent Claims

To Our Readers

Departments

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    Correspondence

  • Notes and Queries

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis