He had learned enough of the vacuum tube technology from his reading at the time that he knew how to build a radio without transistors. Fixed capacito...s in the range of .1 to .001 microfarad were going to be the big problem, other components could be made fairly simply.The vacuum tubes, themselves, were not hard to build, just tedious. They used the same filament, a carbon fiber, as was used in the light bulbs. Now that they had collected elemental mercury at the sulfur mines, it was possible. She took his cock out of her mouth, licking the length as she did, then straddled him and lowered herself onto his shaft. Eric lurched at the warmth of her pussy enveloping his cock, and lightly bit Jennifer’s pussy lips. Jennifer gasped. ‘OOOH, that felt so good!’ she said. Angela got into a squatting position. She grabbed Jennifer’s shoulders for support, then lifted and dropped on Eric’s cock again. Eric bucked. The three of them continued in this fashion for a while: Eric eating Jennifer’s. Give me something to lick. I want cocks in my mouth NOW!!!!” I didn’t have to wait long for the chubby male stuck his fat cock in. It smelled horrible but I didn’t care, because I was too happy that I had that delicious taste of cock in my mouth again.I sucked and snorted as cum dripped all over me and my clitty was stroked. then I felt a hand, I dunno who it was from but I think it was one of the girls who grabbed me and put a condom on my cock, she kept stroking me until I was just about. " She said then she reached towards his belt and opened the clasp and undid it. This was followed by his pants snap. I could see the huge bulge starting to make his pants tight. I could not believe she was going to do this. Part of me did not want her to, but the other part...She slowly pulled down the zipper and then reached into his pants and pulled out his cock, to say it was huge would be an understatement. Her hand barely fit around it and it was only semi-hard. For a moment, despite all.