Compass fluid is available from multiple sources. Depending on which one you have, Airpath gaskets should fit. Voltage is going to depend on the bulb selected. This manual covers the B-16, which is what most people have.
https://www.timetravelair.com/techlibrary/EO 20-25BC-2.pdf
Be advised, the numbering and lettering are most likely radium based paint, and is very toxic while being somewhat radioactive. If you want to know how bad, read "The Radium Girls" by Kate Moore.