[Farmall] O/T tool question

[James Moran]

Guys/Gals-
A friend called asking me if I knew where he could get a meso stick (spelling?).  According to him, this is a vintage tool for inside measurements  (e.g., a shower door enclosure).  He said that it was a metal tube that "extends" within a space.  I never heard of this thing and the net was not of much help.
Any of you smarties know anything about such a device?
Thanks.
Jim Moran

       
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