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Improved Windmill, Improved Lathe Arbor Tightener, and more

Silver Mining in the Great Basin

How Shall We Burn Coal Most Economically

Water Supply of Towns

Varying Ideas of Model Makers

Editorial Summary

Sill's Stamp Affixer

Batcheller's Hand Planter

Converse's Improvement in Pocket Fire-Arms

Recent American and Foreign Patents

Steel-Headed Rails

Science Familiarly Illustrated

New Publications

Answers to Correspondents

The Arcade Railway

Having an Object and Sticking to it

Crossing the Water--Ferries, Tunnels, and Bridges

Patent Claims

Issued from the U. S. Patent Office

The Recoil of Guns--Action and Reaction Not Equal

By Charles A. Seely

Devices for Elevating Liquids


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February 09, 1867

20% Sitewide for President's Day