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The New York Approach to the East River Bridge

City Parks as Garden Schools

Disrespect of Inventors' Rights

A Working Man

The Working Women's Hotel

The Telephone a Sensitive Electroscope

Nickel Plating

Combined Ventilator and Chimney

Improved Centering Chuck

Brownhill's Brick Machine

Improved Paper Shutter for Windows

The Star Feed

The Eclipse Steam Engine

A Beton Fountain, Prospect Park, Brooklyn

Migratory Butterflies

By C. V. Riley

Plant Mind II

The First Shad

Notes of Patent Office Decisions

The Stafford Scroll Saw

Platinum-Tipped Settings for Diamonds

Astronomical Notes

By Berlin H. Wright

Communications Received


  • Departments

    Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Patents

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April 06, 1878

20% Sitewide for President's Day