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American Industries, No. 34

THE MANUFACRURE OF PUNCHING AND DRAWING PRESSES, DROP HAMMERS, DIES, ETC.

Regulation of Shifting River Channels

Who Shall Hold the Surplus?

The Drive Well in New York City

Ferdinand De Lesseps and the Chagres Canal

Novel Method of Carpeting Stairs

Improved Roller Gate

Improved Mould for Sewer Building

A New Fruit Drier

A Novel Small Motor

Cheap Spectroscope

New Gas Saver

Agricultural Inventions

New Potato Digger

Improved Controlling Valve for Engines

The Leaf Mormolyce

Natural History Notes

The Condition of French Workmen

Improved Cam for Stamp Mills

Electric Lamp Tests

Communications Received

Departments

  • Departments

    Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Business and Personal

  • Patents

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March 13, 1880

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