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Features

A Tea Cultivator Wanted

American Art in Tools

Mica

Steam Boiler Notes

Improvement in Tables

New Graduating Apparatus

Improved Drawing Pen

Jointed Pitch-Board for Squares

The Telephone.--Judge Lowell's Opinions Commented Upon.--Ingenious Transformations

Mechanical Inventions

Improved Curtain-Cord Tightener

New Car Coupling

Improved Mortising Machine

Velocipede Boat in the Public Garden, Boston

American Industries.--No. 77

Miscellaneous Inventions

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    New Inventions

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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October 22, 1881

See the World from a Different Perspective

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