Volume 15, Issue 14
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Features
Cultivation and Manufacture of Osiers
Miscellaneous Summary
Polytechnic Association of the American Institute
Foreign Scientific News
Dunn's Improved Wagon Jack
Special Notices
Newbury's Shoe Cleaner
The Toy Business in This Country
Thickness of Boiler Plates
Useful Improvements Not Opposed to the Harmony of Nature
Patent Claims
Issued From the U. S. Patent Office