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THE

ENCYCLOPEDIA
AMERICANA

A Universal Reference Library

COMPRISING THE ARTS AND SCIENCES, LITERATURE, HISTORY,
BIOGRAPHY, GEOGRAPHY, COMMERCE, ETC., OF THE WORLD

EDITOR- IN -CHIEF

FREDERICK CONVERSE BEACH

EDITOR SCIENTIFIC AMERICAN
MANAGING EDITOR

GEORGE EDWIN RINES

ASSISTED BY MORE THAN ONE THOUSAND OF THE MOST EMINENT
SCHOLARS AND AUTHORITIES IN AMERICA

3Utfueb unber the <CbitortaI ^uperbiSion of
Me Scientific American

IN SIXTEEN VOLUMES
ILLUSTRATED

SCIENTIFIC AMERICAN COMPILING DEPT
258 FIFTH AVENUE, NEW YORK

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