By 1937 , he was employed more than 3,000 men .
Tarran began his company , Tarran Industries , Ltd. , in 1919 in a small loft for which he paid half a crown a week in rent .
By 1937 , Tarran was employed more than 3,000 men .
Tarran began his company , Tarran Industries , Ltd. , in 1919 in a small loft for which he paid half a crown a week in rent .