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Our Deep Sea Fisheries

Index of United States Patents

The Barge System on the Mississippi

Large Craft on the Lakes

Water Supply of Cincinnati

The Reese Circular Saw

Electrical Fire Indicator of M. G. Dupre

Tyndall's Experiment on Radiant Heat

By Geo. M. Hopkins

Comparative Experiments Made with Naked and Metallized Carbons

By E. Reynier

American Industries.--No. 69

Agricultural Inventions

Mechanical Inventions

Improvement in Telephone and Telegraph Lines

New Handle for Soldering Irons

Novel Fire Kindler

Improved Hydraulic Ram

New Safety Whiffletree

Russian Beer Flagon

Scaly-Finned Fishes

Miscellaneous Inventions

Communications Received


  • Departments

    Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

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