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Artificial Stone for Buildings

Hoisting Wheels for Warehouses, Etc., Improved Reamer

Flint Glass Manufacture

Science Familiarly Illustrated

The Siemens Furnace

Da Cunha's Lock Catch

Mee's Hose Coupling

Business and Manufacturing Items

Recent American and Foreign Patents

Editorial Summary

Answers to Correspondents

Patent Office Decisions.--What Constitutes a Patentable Combination

Extension Notices

The Public Ledger Building

To Editors and Publishers--Engravings for Sale

To the President

Tinning Rivets and Tacks

The Trades Union Atrocities in Sheffield

The Natural Colors of Fibrous Material

The Earth Becoming Too Small for the Human Family

Notice to Subscribers

Air Guns Not Noiseless

Uses of Nuisances

Official Report of Patents and Claims

Curiosities of Iron


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July 27, 1867

20% Sitewide for President's Day