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Features

Mining in Maine

American Exhibits at the Berlin Fish Show

Another Six Weeks of Suspense

Arizona Shellac

The Old River Beds of California

New Uses for Old Tin Cans

By A. W. Roberts

Miscellaneous Inventions

American Industries, No. 38

The Sawyer Electric Light

The Franklin Draught Regulator

The Racine Canoe

A New Gas Economizer

Curious Capture by an Oyster and a Mussel

Communications Received

Departments

  • Departments

    Business and Personal

  • New Books and Publications

  • Notes and Queries

  • Index of Inventions

  • Patents

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