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Fire Extinguishing Apparatus for Buildings

The Marvels of Mechanics

The Scientific American as a Preventive of Boiler Explosions—Value of its Correspondence

The Brotherhood of Locomotive Engineers

Metrological Science

The Detroit River Tunnel

The Launch of the City of Peking

A Hill of Sulphur

To New Subscribers

The Character of Metals as Exhibited by Their Fracture

By R. H. Thurston

Patent Bottle

Improved Adjustable Threshold

The Palotherium Magnum

Improved Adjustable Scaffold

A New Magneto-Electrical Instrument

Improved Stove for Smoke Houses

Improved Turbine Wheel

A New Bird of Paradise

Decisions of the Courts - April 4, 1874

Astronomical Notes - April 4, 1874

Importance of Advertising

Recent American and Foreign Patents - April 4, 1874

Answers to Correspondents - April 4, 1874

Communications Received - April 4, 1874

Canadian Patents - April 4, 1874


  • Departments

    Business and Personal - April 4, 1874

  • Index of Inventions - April 4, 1874

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