I have a compass which has triangle and circle cut outs in it. What are these for?

Similar to this compass: http://media.rei.com/media/kk/202bb4b6-3f47-4dd4-80a1-ed327bd37e1b.jpg
This is my compass:

http://i.stpost.com/erez4/erez?src=ProductImages/88876%5F99.tif&tmp=FullSize&redirect=0

The big circle is the magnifying glass. But the other circle and triangle are the cut outs.

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This entry was posted on Tuesday, August 3rd, 2010 at 7:21 am and is filed under Compass Pix. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

One Response to “I have a compass which has triangle and circle cut outs in it. What are these for?”

  1. The Triangle And Circle are "Control Marker Templates" Added To The Baseplate; are "Used For Mapping".