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Features

Our Leather Industry

The Use and Economy of Gas Engines

Railway Inventions Wanted

The “City of Puebla”

Improved Furnace Feeder

Improved Sash-Cord Guide

Improved Railroad Spike

American Industries--No. 81

Hemlock Sole-Leather Tanning

Improved Circular Sawmill

New Automatic Pencil

Mechanical Inventions

Improved Quartz Stamper

Engineering Inventions

Departments

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    Correspondence

  • New Inventions

  • Recent Inventions

  • Business and Personal

  • Index of Inventions

  • Notes & Queries

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January 21, 1882

Think Outside the Gift Box