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Improved Washing Machine, Cheap Ice Pitcher, and more

Great Trial of Agricultural Implements--Mowers, Reapers, Etc--At Auburn, N. Y.

Testing a Turret

Chappell's Adjustable Toilet Glass

Cause of the Failures of the Atlantic Cable

The Proposed Metric System

Self-Registering Barometer

The Rightful Inventor the First to Make the Invention Useful

Variation in CForm Not Patentable

Biggs and Flinn's Hydrant

The Roberts Petroleum Torpedo

Experiments with Nitro-Glycerin

Are Iron Safes Safe?

Patent Claims

Issued from the U. S. Patent Office

Knoepke's Wash Basin

Pitman's Animal Trap


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  • New Inventions

  • Notes and Queries

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July 21, 1866