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Features

Manufacture of Electric Lamps

Calipers and Fixed Gauges

An Interesting Patent Office Question

High Buildings and Fires

Reports of the Recent Solar Eclipse

Aspects of the Planets for July

Raising of the Austral

The Steamer Pilgrim

Improved Wall for Jails and Treasure Vaults

A Railway Bracket Girder

Two Wheeled Portable Engine

Improved Cotton Press

Improvement in Lanterns

The Shoebill

The College of New Jersey

Departments

  • Departments

    Correspondence

  • Recent Inventions

  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Index

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June 30, 1883

See the World from a Different Perspective

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