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Improved Horse-Power Saw-Mill, The Last Rebel Ram

Passages from the Life of a Philosophical Machinist

Polytechnic Association of the American Institute

Gilbert's Coal and Ash Sifter

Noyes's Traveler's Lunch Bag

Sims's Clothes Horse

Miscellaneous Summary

Recent American Patents

Books and Publications

Special Notice

Moore & Cole's Suspender for Lamps

Death of William Sewell

The Difference Between National Banks and State Banks

The Stonewall

Water as Fuel

Inefficient Machinery

Burning Water

Recent English Patents

A Curious Clock

Patent Claims

Issued from the United States Patent-Office


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  • Patents

  • Notes and Queries

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis