Ball, Robert S. Sir, 1840-1913.
Great astronomers / by Robert S. Ball. - London : Isbister, 1895. - xii, 372 p. : ill. ; 21 cm.
Micro-opaque.
New York :
Readex Microprint,
1973.
4 cards ; 23 x 15 cm.
(Landmarks of science)
Astronomy--History.
Astronomers.
925.2 / BAG
Great astronomers / by Robert S. Ball. - London : Isbister, 1895. - xii, 372 p. : ill. ; 21 cm.
Micro-opaque.
New York :
Readex Microprint,
1973.
4 cards ; 23 x 15 cm.
(Landmarks of science)
Astronomy--History.
Astronomers.
925.2 / BAG