Yes, you have a point. Different manufacturers have come up with different
ways of marking their graduations. Some are much better than others.

"Juergen Hannappel" wrote in message
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"C&S" writes:

[...]

What I meant was:

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Quick, which one is the nineth line?

Easy, a sensible ruler looks like this:

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--
Dr. Juergen Hannappel http://lisa2.physik.uni-bonn.de/~hannappe
Phone: +49 228 73 2447 FAX ... 7869
Physikalisches Institut der Uni Bonn Nussallee 12, D-53115 Bonn, Germany
CERN: Phone: +412276 76461 Fax: ..77930 Bat. 892-R-A13 CH-1211 Geneve 23