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Manufacture of Ultramarine

The Congressional Report on Isherwood's Machinery

Recent American Patents

Price's Pea Sheller

Hitchcock's Roller Quartz Mill

Cutter's Shuttle

Smith's Rivet

Power Required to Drive Machines

Inexplicable Boiler Explosions

Great Improvements in Sugar Making

Changing Alcohol into Vinegar

A Sensible Governor

The Opening of the Fair

The Naval Engine Contest

Patent Claims

Patent Agency Office

Markland's Coal Scuttle

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September 23, 1865