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POPULAR TECHNOLOGY;

OR,

PROFESSIONS AND TRADES.

The AUTHOR.

BY EDWARD HAZEN, A. M.,

AUTHOR OF

"THE SYMBOLICAL SPELLING-BOOK," "THE SPELLER ANDDEFINER," AND "A PRACTICAL GRAMMAR."

EMBELLISHED WITH EIGHTY-ONE ENGRAVINGS.

IN TWO VOLUMES.

VOL. I.
NEW YORK:
HARPER & BROTHERS, PUBLISHERS.

Entered, according to Act of Congress, in the year 1841, by

Harper & Brothers,

In the Clerk's Office of the Southern District of New York.

CONTENTS
OF
THE FIRST VOLUME.