I believe that most compasses are filled with mineral OIL, not spirits.
Of course, I'd check the your specific manufacturer to be sure.

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.