Originally Posted by
Pontius Navigator
As mention, instruments also have radium paint and many aircraft instruments find their way into private hands. The BBMF hangar used to have a cordoned area for old instruments.
Aircrew watches of the 60s and 70s used to have a T on the face denoting Tritium.
I have a 1969 Omega. I oft wondered what the little T was for on either side of the maker's name at the bottom of the dial.