I recently inherited a 1975 "Model 100" that was in bad shape. The globe had obviously been shaken when it was warming/on. The "Lava Goo" was all spongy and floating at the top. I found this site and looked at a couple of possible solutions. All of the solutions required the cap/top to be removed. I had another problem then, THE CAP WON'T COME OFF!!! So, i modified possible solutions into a workable one. First: I pouted. Second: got a plastic trash bag. Third: filled bath tub with water as hot as water heater allowed. Forth: inserted globe into trash bag. Fifth: drank some more coffee. Sixth: dunked globe and trash bag comb. into said "hot tub". Seventh: waited about 1.23 hours. Eighth: retrieved globe and dried with high quality paper towel. Nine: returned globe to base and turned on. Tenth: rejoiced.
Now obviously you could combined and/or omitted a few of the steps in the procedure outlined above, but that would be procedure infringement...i think. anyways just wanted to share my experience with the people that inspired me.