Volume 13, Issue 18
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Features
Attraction
Weldless Tires and Circular Rolling
Foreign Summary
Tyndall on Radiation
The Way Dry Goods are Sold in New York
Experiments on the Expansion of Steam
Award of Premiums at the American Institute Fair
Zirconium
Hoover's Gum-Elastic Spring
Recent American Patents
The Chemistry of the Bessemer Process
Hydraulic Lifts for Warehouses
The Value of Illustrations
The Fair of the American Institute
Special Notices
Patent Claims
Issued from the United States Patents-Office