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Old 08-05-2015, 08:25 AM
Weltevreden SA's Avatar
Weltevreden SA (Dana)
Dana in SA

Weltevreden SA is offline
 
Join Date: Apr 2012
Location: Nieu Bethesda, Karoo, South Africa
Posts: 216
There's a well-illustrated version of this with a scale slider here:

http://www.htwins.net/scale2/

Note the very useful log scale in meters in the lower right corner.

=Dana
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