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Features

The Presidente Pinto

The Stampede or Cascade Tunnel on the Northern Pacific R.R.

By Charles W. Hobart

Universal Suction Ram

The Proposed North River Bridge at New York City

Comparation of North River Bridge with Four other Bridges

“Preskrvaline.” a New Preservative for Meat

By Bruno Terne

Rolling Fluid Metal

On the Manufacture of Continuous Sheets of Malleable Iron and Steel Direct from Fluid Metal*

By Henry Bessemer

Improved Process of making Sodium or Potassium

Kite Photography

Photographic Chemistry

By R. Meldola

Volumetric Analysis

The Photographic Record of Alternate Current Curves

Vaudoux Burial Customs

By Eugene Murray Aaron

Mirror Lens

Remains of Wonderful Animals

Song Birds

Useful Engineering Books

Building Plans and Specifications

Departments

  • Departments

    Patents!- November 7, 1891

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November 07, 1891