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Raising the Nap

Notes on Military and Naval Affairs

Valuable Receipts

Petroleum--Oil Wells of Smith's Ferry--Alleghany Oil Boats

The London Times and American Exhibitors--An Interesting Summary

Artificial Precious Stones

By W. G. Howgrave

Jebb and Cutler's Ankle-Supporting Skate

Six Good Reasons Why Every Manufacturer, Mechanic, Inventor and Artizan Should Become a Patron of the Scientific American

Forging--Steam and Tilt Hammers

The London Times on American Exhibitors

Ginning Sea-Island Cotton in Brooklyn

Recent American Inventions - July 12, 1862

Patent Claims

Issued from the United States Patent Office

The Most Common Fault in School Books

To Our Readers

Inglis's Cup Attachment for Hydrants


  • Letters

    Correspondence - July 12, 1862

  • Departments

    Notes and Queries - July 12, 1862

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis