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Variety Molding Machine

A Curious Fact

Notes on Foreign Inventions

Award of Medals by the American Institute

File-Cutting Machine

Weekly Summary of Inventions

The Potato Bug

Coral Formations

Spontaneous Combustion of Sawdust

The Cereals of the United States

The Condition of Applications at the Patent Office

Patent Case--Wood-Splitting Machine

A Column of Interesting Varieties

A Large Planetarium

Home Patent Agents

Improved Fan Governor

Sewing-Machine Guide

City Public Parks

Hyatt's Extension Case--Remarks on the Commissioner's Decision

Iron Vessels

Hyatt's Patent Extension Case

What Becomes of Heat?

Patent Claims

Foreign Summary

Improved Hydrant

Avery's Railroad Joint

Graphite Paint


  • Departments

    Notes and Queries

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