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Scientific American Magazine Vol 69 Issue 2

Scientific American MagazineJuly 1893

Volume 69, Issue 2

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Features

Oil Fuel and Boilers at the Great Exposition

The Centralization of Motive Power

Notes From the Worlds Columbian Exposition Chicago 1893

The Mysterious Trunk

A Music Book of Folio

An Improved Roller Cotton Gin

An Instrument for Measuring Distances

Surface Tension

Parsons' Horological Institute

Oil Engines at the Great Exposition

The Wart Hog, or Vlacke Vark

To Inventors - July 8, 1893

Departments

Correspondence - July 8, 1893

Recently Patented Inventions - July 8, 1893

New Books and Publications - July 8, 1893

Business and Personal - July 8, 1893

Notes and Queries - July 8, 1893

Index of Inventions - July 8, 1893