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Gravity globe

From Tardis Wiki, the free Doctor Who reference
Revision as of 23:54, 27 April 2010 by CzechOut (talk | contribs) (pic switch)

A gravity or grav globe was a Human device to provide massive illumination. It could be sent aloft under its own power such that it would "hang" at a certain height and provide downlight over a large area. Grav globes were particularly useful in large caves. (DW: The Impossible Planet, The Satan Pit, The Time of Angels, Flesh and Stone)

A grav globe at work
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