Schwarzschild, Martin. Address at the dedication of the 61-inch astrometric reflector at the U. S. Naval Observatory's Flagstaff Station [sound recording] / 1964.

Schwarzschild, Martin.

Address at the dedication of the 61-inch astrometric reflector at the U. S. Naval Observatory's Flagstaff Station [sound recording] / 1964.

Includes responses by G. M. Clemence and Anne Underhill.

United States Naval Observatory. Flagstaff Station.

Reflecting telescopes.

Sound recordings lcgft aat

Clemence, Gerald M. (Gerald Maurice), 1908-

Underhill, Anne Barbara, 1920-

American Institute of Physics.

AIP-ICOS

American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA