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Improved Shears for Plate Iron, American Breech-loaders in Switzerland, and more

Iron Plating of Granite Forts

Notes on New Discoveries and New Applications of Science

Some Facts in Relation to Iron

Recent American Patents

Market for the Month

The Foot Lathe

Frailey's Mowing Machine Attachment

Palmer's Combined Wringer and Mangle

New and Valuable Scientific Works

Concentrated Beef

The Alden Machine

File-Cutting Machinery

The Paris Exhibition

Making Crucibles in Molds

Patent Claims

Patent-Office Decisions

Bromide of Potassium

Best Mode of Introducing Inventions

Patent Agency Office

The Scientific American

Special Notices


  • Departments


  • Notes and Queries

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January 07, 1866

Of Shamrocks and Science

Happy St. Patrick’s Day