I'd love to get my hands on one or two pellet variometers.
Mostly for training purposes, but will probably go in an
(older) sailplane. I've read about Cosim, Robinson, Pfeiffer, and Makiki
pellet varios.

If anyone has comments about these quaint devices, or
some they'd like to part with for an interested party,
I'd love to hear from you.


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Mark Boyd
Avenal, California, USA