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Features

Plant and Material of the Panama Canal

By William Plumb Williams

Improved Steam Inspection Car

Rapid Transit for Chicago

Ramie or Rheea Fiber Cleaning Machinery

New Apparatus for the Concentration of Extracts in Vacuo

By L. A. Adrian

Improved Sectional Warping Machine

The Development of Gelatino-Bromide Lantern Plates

The Wells Light

Improved Wood Pulp Digester

Electric Wiring of Buildings

By J. D. F. Andrews

Zenobe Gramme

A Miniature Steel Works

The Electric Light at the Paris Exhibition

A New Photometer

Yorkshire Grease

By George H. Hurst

Gymnemic Acid

By David Hooper

The Relation of Fertilizers to Fruits

By Peter T. Austen

The Subterranean Water of the Oued Rir'

The Cape Buffalo

Building Plans and Specifications

Opening of a Pyramid

Useful Engineering Books

Departments

  • Departments

    Patents- May 25,1889

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