1928. British Broadcasting Corporation. Prepared under the advice of Rear Admiral H.P.Douglas, Hydrographer of the Navy.
A foldable map/wall chart, mounted on canvas, showing European broadcasting stations in relation to the United Kingdom.
It measures 97x72cm and is in tip top condition. There is one nick measuring a centimetre lying just below Leningrad - see close up photo.
One of the earliest maps of its type.