jhcrawshaw: Digit (No. Unknown) (c1950s)
jhcrawshaw: Digit D199 (1958)
jhcrawshaw: Digit R655 (c1960)
jhcrawshaw: Digit R713 (1963)
jhcrawshaw: Digit R724 (1963)
jhcrawshaw: Digit R768 (1963)
jhcrawshaw: Digit R806 (1964)