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Features

A Tribute to American Shipbuilding, Could the Earth Collide with a Comet?, Patent Complexities in Great Britain

Engineering, Electricity, Science

Two Remarkable Shows

Novelties in Motor Boats and Aeroplanes

Rapid Progress of the New York State Barge Canal

A Record of Recent Achievement

The Anthracite Coal Beds of Alaska

By Day Allen Willey

Ostrich Farming as an Industry

By Newton Forest

The Bullet's Flight*

The Bullet's Flight from Powder to Target. The internal and external ballistics of small arms. A study of rifleshooting with the personal element excluded, disclosing the cause of the error at the target.lliustrated with188 plates...

Tool-Holding Device for Wood Turning

By Chauncey W. Nieman

Electric Incubators and Brooders

By Frederick E. Ward

A Wagon Jack

By I. G. Bayley

Boring Holes in Glass

By George J. Murdock

Convenient Door Holder

By D. Pennington

Departments

  • Departments

    The Heavens in March

  • Recently Patented Inventions

  • New Books, Etc.

  • Index of Inventions

  • Notes and Queries

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”