The Model Two uses RetroSound's patented InfiniMount adjustable shaft and bracket system to allow installation into virtually any classic vehicle without dash modification.

ENGADGET: RetroSound's Bluetooth-enabled in-dash radio for classic cars now up for grabs

The possibility of a memorial was first raised more than three years ago after a headstone was dedicated to 14 men who died in 1927 when a pumping system collapsed down a shaft.

BBC: Memorial unveiled to miners who died at Bilsthorpe pit

They serve as a canary in the mine shaft -- tell us that we need to look more carefully at the system of maternity care.

CNN: STORY HIGHLIGHTS