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Features

Retrospect of the Year 1904

New Photographic Lamp

A Bad Case of Gun Erosion

A Gearless Two-Speed Bicycle

The Manufacture of Macaroni

By W. Frank M'clure

The Largest Water Turbine in Existence

The New York Harbor Entrance

By Lewis M. Haupt

The Turbine-Driven Steamer "Manxman"

By Emile Guarini

The Prune and its Cultivation

By Enos Brown

The Largest Lobster on Record

The Queerest of Creatures--I

By J. Carter Beard

Business and Personal Wants

Departments

  • Departments

    Index of Inventions - January 7, 1905

  • Notes and Queries - January 7, 1905

  • Recently Patented Inventions - January 7, 1905

  • Patents - January 7, 1905

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis