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Features

Improved Ditching Machine

Workmen and Their Teachers

The Green Fields of the Moon

The "Thunderer" Explosion

Is Rare Beef Dangerous?

Lightning Rods

Exhibition Notes

Breech-Loading Firearms

Improved Pipe Cutting and Threading Machine - September 9, 1876

Improved Sand and Gravel Separator

The Calorimeter of the Massachusetts Institute of Technology - September 9, 1876

Practical Mechanism - September 9, 1876

By Joshua Rose

Improved Clothes Line Fastener

Improved Metal-Punching Machine - September 9, 1876

The Radiata

Boiler Notes - September 9, 1876

Chemicals at the Centennial

Recent American and Foreign Patents - September 9, 1876

Occupation and the Death Rate in England

New Chemical and Miscellaneous Inventions - September 9, 1876

New Household Inventions - September 9, 1876

New Textile Machinery - September 9, 1876

New Woodworking and House and Carriage Building Inventions - September 9, 1876

New Agricultural Inventions - September 9, 1876

Communications Received - September 9, 1876

The Validity of Patents - September 9, 1876

Departments

  • Letters

    Correspondence - September 9, 1876

  • Departments

    Business and Personal - September 9, 1876

  • Notes and Queries - September 9, 1876

  • Index of Inventions - September 9, 1876

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis