Volume 17, Issue 17
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Features
Truman's Patent Cotton Bale Tie
Editorial Summary
Recent American and Foreign Patents
Manufacturing, Mining, and Railroad Items
Extension Notices
Answers to Correspondents
New Publications
Southgate's Improved Key
Fair of the America Institute
Rising of Water by Creating a Vacuum
Plaster of Paris–Gypsum
One Cause of Boiler Explosion
Isherwood's Cog-Wheel Propeller Engine--An Interesting Comparison
Official Report of Patents and Claims
Issued by the United States Patent Office