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Features

Drawing a Magic Circle

Morley's Patent Railroad Track Chair

Turkish Cement

Hard Cement

Henwood's Lubricator

List of Patent Claims

Inks and the Manufacture of Paper

Manufacture of Car Axles and Iron Castings

Iron Water Tanks

Notes on Science and Foreign Inventions

Excavating and Ditching Machine.

Leather and Moleskin

Nichols' Changeable Plane

Using Machines Under an Extended Patent

Sardines

Death of Dr. Scoresby

Ivory--A Substitute Wanted

A Good Throw

California Raisins

Car Wheels

Machine for Splitting Logs

Proportions of Machinery

Water and Its Phenomena

Mechanics

Inventors, and Manufacturers

The Steamship Great Eastern

Departments

  • Letters

    Correspondents

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April 25, 1857

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