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The New United States Cruisers

Adulterations of Foods--Glucose in Sugar and in Sirups

Irrigation in California

Imitations of Costly Leather

The Chinch-Bug in New York

“Fish Culture for Profit”

Impoverishment of Land

Dipterous Larvæ in the Human Body

By C. V. Riley

Socket for Harrow Teeth

The “Hercules” Bone Mill

Improved Air Compressor

Improved Ruelle Furnace for Revivifying Bone Black

Wagon Jack

The Bernissart Iguanodons

Foot Power

Engineering Inventions

Agricultural Inventions

Mechanical Inventions

Miscellaneous Inventions


  • Departments


  • New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis