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Features

American Industries.--No. 87

Six Hundred and Fifty Miles by Telephone

Early Steam Engines and Boilers

The Leffel Turbine

Sanitary Precautions After Floods

Improved Railway Elevator

Improved Fence Post

New Feed Water Heater and Lime Extractor

Abacus Attachment for School Slates

Improved Vertical Engine

Improved Railroad Crane

Agricultural Inventions

Miscellaneous Inventions

Mechanical Inventions

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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March 24, 1883

Think Outside the Gift Box