Volume 24, Issue 7
You are currently logged out. Please sign in to download the issue PDF.
Features
Device for Closing Ruptures in Fire Hose
A Woman's View of the Patent Office
The Land of Fire and Ice
The Incrustation of Boilers
[Condensed from Engineering.]
Perpetual Motion- February 11, 1871
Pruning Shears
Improved Cistern Filter
A Romance of Science
Improved Coal Ash Sifter
Cod-Liver Oil
Excavation and Embankment Tables
The Alloys of Copper
An Invention Wanted to Clean the Streets of Snow. Solution of the Problem to be Found in Steam
The Adulteration of Petroleum
"And There were Giants in Those Days"—The Largest Inventor Yet—A Most Remarkable Family of Gigantic Turks
Boynton's Lightning Saw
The Downfall of Paris
The Present and the Past- February 11, 1871
Scientific Intelligence- February 11, 1871
Answers to Correspondents- February 11, 1871
Queries- February 11, 1871
Offical List of Patents- February 11, 18711
Issued by the U. S. Patent Office
Recent American and Foreign Patents- February 11, 1871
Under this heading we shall publish weekly notes of some Of the more prominent home and foreign patents.