Volume 12, Issue 11
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Features
Improved Separator and Thrasher
Remarks on the Subject of Force in General
High and Low Steel
A Practical Plan for Destroying the Span Worm
Rudolph & Kasefang's Brush Handle
Reminiscences of Glass-Blowing
Manufacture of Bells
Farmers' Club
Miscellaneous Summary
Hot-Beds
Professor Bowen on the Currency
Boring Steam Cylinders
Impregnable Ships of War
Patent Claims
Issued from the United States Patent-Office