Colin breaks a window - and learns about the manufacture of glass and its growing importance in the modern world.
For Schools
Previously shown on Monday
(to 14.25)
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Colin breaks a window - and learns about the manufacture of glass and its growing importance in the modern world.
For Schools
Previously shown on Monday
(to 14.25)
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
