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Features

American Industries.--No. 67

Is Glucose Unwholesome?

Writing Ink

The Encouragement of Inventions--With a Reservation

Another New Disinfectant

The Sun Spot Maximum

Improved Hand Hoe

Pencil Holder and Scissors

New Ice Crusher

New Adjuster for Mirror and Picture Frames

Convertible Traveling Cap and Scarf

International Geographical Congress

Cooking by Steam

Electro-Metallurgy

Apparatus for Decorating Pottery

Miscellaneous Inventions

Improved Wagon Brake

Weaver Birds

Botanical Notes

Experiment on the Lake of Geneva to Ascertain the Velocity of Sound in Water

Mechanical Inventions

Geological Survey of New Jersey

Communications Received

Departments

  • Departments

    Recent Inventions

  • New Inventions

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • New Books and Publications

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February 26, 1881

See the World from a Different Perspective

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