Listen Through the Brown Window - Episode 5

Welcome all to Episode 5 of Listen Through the Brown Window!

This week, the agents from GCHQ are a bit short of money so find ways to do their job more efficiently. But is it practical?

We unearth an exclusive educational album from the early 70's which we're sure will be really informative for you.

Plus - JACK HARGREAVES!

All this and more!