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Features

A New York Office Building

Raising Bread

Steel Castings

Fire Escape

Miner's Lamp

Improved Station Indicator

Automatic Freight Car Brake

Lifting Bridge for Double Track Railway

Science in Antiquity.--Curio's Pivoted Theaters

Javanese Boats at the International Colonial Exhibition at Amsterdam

Combined Whip and Rein Holder

Pipe Grapple

Pipe and Hose Coupling

Caliper Gauge

Evaporator for Registers

Agricultural Inventions

Engineering Inventions

Mechanical Inventions

Miscellaneous Inventions

Departments

  • Departments

    Correspondence

  • New Books and Publications

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis