On the Construction of a Silvered Glass Telescope / Fifteen and a half inches in aperture, and its use in celestial photography

by Henry Draper

4. To all States and Territories, provided there be given, in return, copies of all documents published under their authority.

5. To all incorporated public libraries in this county, not included in any of the foregoing classes, now containing more than 10,000 volumes; and to smaller libraries, where a whole State or large district would be otherwise unsupplied.

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OFFICERS
OF THE
SMITHSONIAN INSTITUTION.

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THE PRESIDENT OF THE UNITED STATES,
Ex-officio PRESIDING OFFICER OF THE INSTITUTION.

THE VICE-PRESIDENT OF THE UNITED STATES,
Ex officio SECOND PRESIDING OFFICER.

SALMON P. CHASE,
CHANCELLOR OF THE INSTITUTION.

JOSEPH HENRY,
SECRETARY OF THE INSTITUTION.

SPENCER F. BAIRD,
ASSISTANT SECRETARY.