The 200-Inch Telescope At Mount Palomar The Sky at Night : Season 1981 Episode 1
BBC Four 20m
Aired: April 24th, 1957 @ 10:00 PM EST on BBC Four
History and current research of the Hole reflector
BBC Four 20m
Aired: April 24th, 1957 @ 10:00 PM EST on BBC Four
History and current research of the Hole reflector
