It's our first episode in Season 4 of the podcast dedicated to celebrating life as a child in 1970's Britain and the central part that television played in our lives then.Our host Oliver shares his memories of learning what a threepenny bit equated to in terms of sweets and how decimalisation in 1971 brought us "New Pence" and his Granny's ready reckoner. He also admits to being one of the lost generation who were taught metric at school when the whole country used Imperial measures and, as a result can't tell his kilos from…