Volume 12, Issue 24
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Features
Variations in the Boiling Point
Clark's Window-Sash Lock
Farmers' Club
Vandewater's Turbine Water Wheel
Polytechnic Association of the American Institute
Drill Chucks
Crediting Extracts
The Effects of the War Upon the Industrial Arts
The Suez Canal
Recent American Patents
Miscellaneous Summary
Patent Claims
Issued from the United States Patent-Office