Broadcast: 26th November 1939

Starring: Bill Johnstone

Added: Nov 26 2004

Deep under the river, knee deep in glacial muck and flies you’ll find them, the sandhogs working under terrible pressure. Pressure beating against their eardrums, pressure forcing little nitrogen bubbles in to their blood streams, pressure that causes death, pressure that keeps the river out of the tunnel that men are building under the river, one hundred feet under the river…