Volume 14, Issue 1
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Features
Polytechnic Association of the American Institute
The Foot Lathe
United States Naval Observatory
Opinions of the Press
Recent American Patents
Perrine's Water Elevator
Hall's Spinning Rollers
The Lord Clyde--English Iron-Clads
Professor Chandler on Boiler Incrustation
Five Hundred Dollars Reward for a Varnish
The Difference Between Distilled and Fermented Liquors
Patent Claims
Issued from the United States Patent-Office