Frederic Eugene Wright

Early Man in South America

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EARLY MAN IN SOUTH AMERICA

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The Manufacture of Optical Glass and of Optical Systems

A War-time Problem

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Graphical Methods in Microscopical Petrography

A Graphical Plot for Use in the Microscopical Determination of the Plagioclase Feldspars

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The Methods of Petrographic-Microscopic Research, Their Relative Accuracy and Range of Application

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...

The Gravity Measuring Cruise of the U.S. Submarine S-21

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