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Improved Gang Plow

Report of the Committee on Heavy Ordnance

Laying the Atlantic Cable

How to Skin and Stuff Birds

Brainard's Union Paint Mill

Recent American Patents

Miscellaneous Summary

The Want of the Day

Tool Borrowers

The Challenge to the Navy

The Fair of the American Institute

The Great Schools of England

Patent Claims

Issued from the United States Patent-Office

Patent Agency Office

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial