"bent" writes:


[...]


|12mm| is less than |1/2"| by about 14 thou. I always remember that one

No. 1/2"=12.7mm, 1/2"-12mm=.7mm approx 28 thou approx 1/36"

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Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe
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