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Features

Improved Portable Compound Engine

America's Coal Supply

Progress of Engineering in America

Gas Motors

The New Overland Route

Blowers, or Outbursts of Gas

By W. Purdy

Jack-Screws for Raising Rails

Improved Steam Hammer

Improvement in Winding Machines

Frosts and Autumnal Tints

The Melbourne Exhibition

Brewing in Austria

Macadam Vs. Cedar Block

Machinery Steel

Uninflammable Tissues

Manufacture of Spot Yarns

By G. A. J. Schott

Labels, Tablets, or Sheets for Advertising, Etc

By A. McCaw, J. Stevenson and J. P. Orr

Placing the Cap- Stone upon the Finial of the South Tower of the Cathedral in Cologne

Cooking by Hot Water

Apparatus for Manufacturing Celluloid

Electric Lighting

Deprez's Current Measurer

On a Septum Permeable to Water, and Impermeable to Air, With Application to a Navigational Depth Gauge

Fast Speed Working on Cables

Printing Music by Electricity

By H. Y Dickinson

Lead–How to Coat Articles Therewith— the Galenizing Process

A New Process for the Metallurgic Treatment of Complex Ores Containing Zinc.*

By Edward A. Parnell

Electro-Chemical Analysis of Metals

Soap in Pomades

What Determines the Sex of Children?

Cold as a Cause of Deafness

Synthesis of Alcohol

Flaying of the Vocal Cords

By Carlo Labus and Charles E. Sajous

Manufacture of Soda

By C. A. de la Martelli*amp*eacute;re

Silkworms and Forest Trees

The Story-of a Plant

The Destruction of our Forests

Hearing Noises Taking Place on the Sun

The Origin of Anthracite

Prehistoric Men

Corn Sugar

The Scientific American Supplement

A Successful African Expedition

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    January 29, 1881

    Confronting Common Wisdom