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Government Irrigation

Two Remarkable Railway Runs from New York to Chicago

Three Phase Traction in America

The Senate Panama Canal Bill

Engineering Notes

Forced and Shrink Fits

By C. D. King

Chevallier Electric Target

The Tractor in Lumbering Operations

Fiji and the Fijians

The Packing Industry of Chicago

By Day Allen Willey

The Grisson Continuous-Alternating Current Transformers

By A. Frederick Collins

A Recent Rear-End Collision on the New York Central Railroad

New Typewriter Keyboard


Business and Personal Wants


  • Departments

    The Heavens in July

  • Correspondence - June 28, 1902

  • Recently Patented Inventions - June 28, 1902

  • Index of Inventions - June 28, 1902

  • Notes and Queries - June 28, 1902

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June 28, 1902

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