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Features

How to Judge of Leather in Belts

The Scientific American as an Educator of the Young

The Registration of Trade Marks

Chicle

The Year' Product of Gold and Silver

The New Atlantic Cable

Steam Pilotage

Inventions Wanted to Utilize Sawdust

Miscellaneous Inventions

New Horse Detacher

New Candlestick

Improvement in Chain Pumps

The St. Louis Bridge

American Industries.--No. 25

Mechanical Inventions

Improved Oil Cabinet

Novel Traction Engine

A Singular Habit of the Woodcock

Natural History Notes

Recent Decisions Relating to Patents, Trade Marks, Etc

Ancient Glassware

Platt's Tracing Apparatus

Measuring Resistances

Communications Received

Departments

  • Departments

    Correspondence

  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

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December 13, 1879