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Improved Convertible Fence

On Packing Metallic Rods

Bennett's Rubber With Iron Target

The Machinists and Their Troubles

Practice at Scrap-Iron Target No. 10

With Rubber One Inch Thick Placed Between the Front Plate and Timber. July 28, 1862

Practice at Iron Plate Target No. 15

With rubber placed between the plates and timber

Palmer's Pulley Block

Another Year Closed

The People's College


Concerning Steam Boilers

Patent Claims

Issued from the United States Patent-Office

Recent American Patents



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    December 26, 1863