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Improved Quartz Mill, Origin of Soap

The Economy of Pumping Engines

The Education of Engineers

Farmers' Club

Annual of Scientific Discovery

Broughton's Graduating Lubricator for Steam Engines

Special Notices

Photographing the Moon

Stagg's Self-Closing Door

Southern Patents

Miscellaneous Summary

Recent American Patents

Ship Building in Boston

Field for Improvement in Steam Boilers

Twenty Years

Steam Plowing

Patent Claims

A Novel Patent Case in England

Principal Articles of Taxation

Patent Agency Office

Stagg's Step Ladder


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September 02, 1865

Of Shamrocks and Science

Happy St. Patrick’s Day