There is a Horizon documentary from 1978 on BBC iPlayer called Now The Chips Are Down. Makes interesting watching, seeing them design ICs on paper then manufacture them back in the old days. Not sure if it is available outside the UK.
http://www.bbc.co.uk/iplayer/episode/p01z4rrj/horizon-19771978-now-the-chips-are-down
http://www.bbc.co.uk/iplayer/episode/p01z4rrj/horizon-19771978-now-the-chips-are-down