How do I find my axis tilt?

[bowl 2 win]

I'm looking for a way to find out my axis tilt in the pro shop. I know there is a way I just havent found it yet. Any help is greatly appreciated!!
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Ebonite - "Bowl to Win!"

link for some pics of my arsenal:
http://s201.photobucket.com/albums/aa41/bowl-2-win/Fall%20Arsenal/

[Stever5000]

http://www.innovativebowling.com/images/Measuring_Axis_Tilt_And_Rotation.gif

Have the pro shop staff assist you if you need help.

[charlest]

How to find track diameter:
https://www.buddiesproshop.com/34/How_to_Measure_Track_Diameter.htm

How to use track diameter to determine tilt:
https://www.buddiesproshop.com/36/Asymetrical_Layout_Guide.htm
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