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A Stone Falling Through the Earth

Improved Separator and Thrasher

High and Low Steel

Remarks on the Subject of Force in General

By John A. Roebling

A Practical Plan for Destroying the Span Worm

Rudolph & Kasefang's Brush Handle

Manufacture of Bells

Reminiscences of Glass-Blowing

Farmers' Club

Miscellaneous Summary


Boring Steam Cylinders

Professor Bowen on the Currency

Impregnable Ships of War

End of the Goodyear Extension Case

Transplanting Trees

Patent Claims

Issued from the United States Patent-Office


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  • Notes & Queries

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March 11, 1865

The Antidote to Anti-Intellectualism