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New Meridian Circle

A New Method of Locating Lightning Rods

A Subject for Investigation

The American Onion-Smut in France

Nordenskjold's Expedition

Labor at Home and Abroad

Dragon Flies

The Holly System of Steam Heating

Miscellaneous Inventions

Improved Steam Whistle

Lock Letter Press

Recent Mechanical Inventions

Novel Work Table Implement

Improved Straw Cutter

Improved Portable Railroad Lock

The Flying Dragon

Molecular Chemistry--No. 5

Engineering Inventions

Recent Decisions Relating to Patents, Trade Marks, Etc.

Communications Received


  • Departments


  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Patents

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August 23, 1879

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