A far as getting the bulb out, it's a bayonet type. Simply push the bulb inward and twist left. Sometimes over the years they get sort of stuck and takes some wiggling it around to get it loosened, but it looks as if it should come out fairly easy. It's nice to see younger guys like you getting interested in collecting and restoring old electronic stuff. Back in those days they were made to be fix and repaired. Some of them have really nice cabinets and are still very good performers. After some practice with this radio, you can get some experience with soldering, replacing caps, wiring, tubes, etc, you will be able to move on to bigger more complex stuff. It's mostly the same technique whether it be a small radio, or a big color roundie console TV. Your radio looks to be in really good shape, no rust, nice and clean. Also for sure change out those white wax capacitors and the black one with strips. The black one with with strips are termed "bumble bee" capacitors. If the volume control is staticy as you turn it, spray it with some electronic contact cleaner. The bumble bee capacitor is a .047 mfd. Most of the time (unless the capacitor has a higher voltage rating) 600 volt capacitors will suffice just fine. The ones in the radio are probably rated at 400 volts, but going higher in voltage is fine. Another place to get capacitors is capacitorworld. They do not have a bulk requirement, and they are quite reasonable. Here are a couple of links that you might find useful.
http://www.bulbconnection.com/ViewSI...FcK6wAod3agB5A
http://www.capacitorworld.net/