Scientific American Magazine Vol 27 Issue 12

Scientific American Magazine

Volume 27, Issue 12

You are currently logged out. Please sign in to download the issue PDF.

Features

Molecular Motion the Fundamental Problem of Nature

Patent Punching and Shearing Machine

A List of Velocities

Gold Pen Making

Improved Flush Strap Hinge

Glasgow University Buildings

Photographic Hints

Knitted Goods and Their Manufacture

Scientific and Practical Information - September 21, 1872

Wheel and Roller Sash Catch

Improved Road or Farm Gate

Grosvenor's Self-Lubricating Loose Pulley

Car Coupling Dangers

Meeting of the British Association—Address by a New York Herald Reporter—Livingstone in Africa

An Auction Sale of Models at the Patent Office

The Cincinnati Industrial Exposition - September 21, 1872

Serious Marine Disasters—Improved Safety Appliances Greatly Needed

The American Association for the Advancement of Science

The Opening of the American Institute Fair

Table of Velocities

Extension of Patents. Value of the Invention.

Recent American and Foreign Patents - September 21, 1872

Foreign Patents—A Hint to Patentees - September 21, 1872

Practical Hints to Inventors - September 21, 1872

New Patent Law in Canada - September 21, 1872

Departments

Correspondence - September 21, 1872

Answers to Correspondents - September 21, 1872

Notes and Queries - September 21, 1872

Business and Personal - September 21, 1872

Index of Inventions - September 21, 1872