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Improvement in Vacunm Tanks, The Diamond Market, and More

Application for the Extension of a Patent

Literary Notice

Valuable Receipts

Improved Horse Hay-Fork

Senseless Nomenclature

Apprentices and Employers

Planting and Cultivating Sorghum

Light and Heat from Electricity and the Stars

The Safe Load and Strength of Iron

Discoveries and Inventions Abroad

Recent American Patents

Patent Claims

Issued from the United States Patent Office

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May 09, 1863

Science for the Modern World