Reports of the Commissioners of the United States to the International ...

REPORTS

OF THE

COMMISSIONERS OF THE UNITED STATES

TO THE

INTERNATIONAL EXHIBITION

HELD AT

VIENNA, 1873.

PUBLISHED UNDER DIRECTION OF THE SECRETARY OF STATE
BY AUTHORITY OF CONGRESS.

EDITED BY

ROBERT H. THURSTON, A. M., C. E.,

PROFESSOR OF MECHANICAL ENGINEERING AT THE STEVENS INSTITUTE OF TECHNOLOGY;
MEMBER OF THE SCIENTIFIC COMMISSION OF THE UNITED STATES.

VOLUME II.

SCIENCE; EDUCATION.

WASHINGTON:

GOVERNMENT PRINTING OFFICE.

HARVARD COLLEGE LIBRARY

FROM THE LIBRARY OF PROFESSOR WILLIAM WATSON

Oct 5, 1928

TABLE OF CONTENTS.

A.-REPORT ON CHEMICALS.-J. LAWRENCE SMITH.

B.-REPORT ON VIENNA BREAD.—E. N. HORSFORD.

C.-REPORT ON COMMERCIAL FERTILIZERS.-PETER COLLIER.

D. REPORT ON PHOTOGRAPHY.-C. A. DOREMUS.

F.-PHYSICAL APPARATUS, ETC.-WOLCOTT GIBBS.

M.-REPORT ON DEAF-MUTE INSTRUCTION.-E. M. GALLAUDET.

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