----------------------------Original message---------------------------- Mary, We possess a globe made by Columbus Verlag Paul Oestergaard in Berlin/Frankfurt (Germany) in 1981 which contains a light-mechanism which shows day/night and shadowzones. The mechanism is a rotating calendar, so you can follow the change in seasons. The mechanism also contains a small magnifying-glass which shows the position of the sun with respect to the plane of the equator. For the moment - 24 April- I can see that the sun rises some 12-13 degrees North of the equator, crawling slowly to the Tropic of Cancer, and the North Pole is getting ready for Midsummernight as light is already 24 hours present above 85 degrees North. We also have a poster showing the seasons with regard to the sun, but I find the globe more self-explanatory as the change can be followed day by day. Maybe there is an American globe-company which has the same kind of globes! Jan Smits Map curator Royal Library, National Library of The Netherlands [log in to unmask]