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Improved Boiler Feeder, An Iron Mountain in Sweden and more

Cultivation and Manufacture of Osiers

Polytechnic Association of the American Institute

Miscellaneous Summary

Dunn's Improved Wagon Jack

Foreign Scientific News

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

Conarroe's Cane Knife and Stripper


  • Departments


  • New Inventions

  • Notes and Queries

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