Lighted Columbus globe on a chrome/wooden base, 1950

Diam. 22 cm,  total height 32 cm. Approx. 1950. This is a very nice lighted Columbus globe. The globe is made from paper gores on a glass globe. The glass globe is mounted in a chromed meridian which is attached to a chrome/wooden base. This terrestrial globe has the Duo function. This is invented by the Columbus company in 1959 with the companies fiftieth birthday: With the light switched off you see the political boundaries and with the light switched on you see the physical details.  Some discolorations in the Atlantic Ocean west of Africe (see picture)

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