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Hereof, how do you find the diameter of a globe?
To get the diameter of the round globe, place a ruler inside the globe and measure from the top of the globe to the bottom of the flange. This will give you the diameter. Keep in mind that for neckless globes, it is important to note that the vertical diameter is less than the horizontal diameter.
Similarly, you may ask, are old globes worth anything?
Most antique globes you find today are a bit younger though. Age can have a great influence on the value of a globe: while a good condition 30-inch globe from the 1930s-1960s can be valued at as much as a thousand euro, a tiny pocket globe from the late 18th century can be worth fifteen times more.
The most accurate world map is a globe. Like the planet Earth, a globe is shaped as a ball. On some flat maps, pieces of land near the North Pole look larger than they are in reality. For example, Antarctica stretches across the bottom of a flat map when it is really a circular continent.