Skip to main content


The Gilbert Elevated Railway

The Liquefaction of Air and all the Permanent Gases

A Three Sided Question

Mysterious Explosions

Notes of Patent Law Decisions

Corrugated Boiler Flues

Astronomical Notes

By Berlin H. Wright

New York Academy of Sciences

Quick-Speed Drill

Paper and Wire Testers

Fawcett's Improved Ladle

Carnes' Improved Basin Stopper

The New Baxter Portable Engine

Metallic Arches for Tunnels

The Liquefaction of Oxygen

By M. Raoul Pictet

Machine for Preparing Ramie Fiber

How Submarine Cables are Destroyed

New Apparatus for the Compression of Hydrogen and Oxygen

Communications Received

Wants and Business Inquiries


  • Departments

    New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
February 02, 1878

20% Sitewide for President's Day