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The Peerless Steam Engine

Improved Bench Plane

Improvements in the Postal Service

A Popular Project

The Best Way to Encourage Invention

The Phonograph

Astronomical Notes

By Berlin H. Wright

Tree Waste and its Sequence

Independent Jaw for Lathe Chucks

A Large Sugar Mill

The New Otto Gas Engine

Plant Mind

[For the Scientific American.]


The New Egyptian Cotton

Wild Beast Exterminators Wanted

The Progress of Astronomical Photography

Improved Saw Mill Dog

Improved Feed Regulator for Boilers

Cleopatra's Needle

Dobbin's Improved Harrow

Improved Tricycle

Sea Beans

Notes of Patent Office Decisions

Communications Received


  • Departments

    Notes and Queries - March 30, 1878

  • Business and Personal - March 30, 1878

  • Index of Inventions - March 30, 1878

  • Patents - March 30, 1878

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March 30, 1878

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