Scientific American Magazine Vol 55 Issue 1

Scientific American Magazine

Volume 55, Issue 1

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Features

Simple Experiments in Polarized Light

Geo. M. Hopkins

The Illuminating Gas Industry

Photographic Notes - July 3, 1886

Compressed Air for Life Boats

Night Sky-June and July- 1886

Richard A. Proctor

Music Holder

Liquid Emptier

Improved Sad Iron

Scraping Knife for Painters

Improved Car Seat

Improved Woodworking Machine

Automatic Stop for Engines

Steel Wire Door Mat

Decisions Relating to Patents

U.S. Circuit Court—Northern District of Illinois

Improved Boring and Facing Machine

Triple Calla Lily

Experiments in Atmospheric Pressure and Condensation of Steam

T. O'Connor Sloane

Miscellaneous Inventions - July 3, 1886

Engineering Inventions - July 3, 1886

To Inventors - July 3, 1886

Departments

Correspondence - July 3, 1886

Business and Personal - July 3, 1886

New Books and Publications - July 3, 1886

Notes and Queries - July 3, 1886

Index of Inventions - July 3, 1886

Patents