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Improved Ice House, A Steam Flying Machine

The Petroleum Rocks

By R. P Stevens

Broughton's Glass Top Oiler

A Manufactory of Aniline Dyes

Recent American Patents

Our Patent System

The Journal of Commerce on Flying

The Way Wooden Toothpicks are Made

Reduction in Terms

City Directory

Patent Claims

Issued from the United States Patent-Office

Ice Cream

An Encouraging Prospect

Revising the Revenue Laws

Patent Agency Office


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  • Notes and Queries

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July 01, 1865

Of Shamrocks and Science

Happy St. Patrick’s Day