The Manufacture of the Harris-Corliss Engine

Patent Your Inventions Abroad

The American Association

Platinum in the United States

The Dissociation of Chlorine

Gelatine Negatives

The Northwest Passage Successfully Made

Skimming Milk by Centrifugal Action

A Few Words to Young Steam Fitters

By A Steam Fitter

A New Punching and Shearing Press

New Flange Coupling

Proceedings of the American Association

Astronomical Notes

A Novel Exhibition

Miscellaneous Inventions

New form of Transit Instrument

Proposed New British Polar Expedition

Iodine as a Substitute for Quinine

Engineering Inventions

Three Rules for Abbreviating Multiplication

Gothic Oak Press

Recent Agricultural Inventions

Communications Received