Don't know about Plastmo, but for aircraft compasses, check
http://www.aircraftspruce.com/catalo...repairkit1.php

$1.71 for 1/2 pint which has to be the least expensive thing they've ever
sold. (before shipping)

Roger (forty or fifty years ago it was ethyl alcohol -- the good stuff)

http://home.insightbb.com/~derbyrm

"Brian Nystrom" wrote in message
news:PQKag.4505$a23.2421@trndny01...
Jason wrote:
I believe that most compasses are filled with mineral OIL, not spirits.
Of course, I'd check the your specific manufacturer to be sure.

Mine was definitely mineral SPIRITS, as the smell is unmistakable. Mineral
oil would be much too thick for a small compass, anyway and might not work
at all in cold weather.

Sincerely,
Jason


Brian Nystrom wrote:

wrote:

My elderly Plastimo compass has deleloped a bubble inside the globe.
Does anyone know what type of liquid Plastimo uses to damp the card?



I'm not sure about Plastimo, but Silva uses mineral spirits.