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What
are the bumps on some globes and why aren't they on
all globes?
The
'bumps' are called raised relief and better emphasize
the mountainous areas of the world. They are there so
that you can see and feel the mountains-although their
actual height on the globe does not have any relationship
to the true relative heights of the mountain ranges.
Raised
relief is found on 9", 12" and 16" diameter non-illuminated
globes. On the smaller globe, it would be difficult
to maintain any degree of accuracy. On a very large
diameter globe, i.e., 20" & 32", the method of manufacturing
doesn't lend itself to incorporating this feature.