I was in the Soviet Union for a couple of weeks at the end of the 60's. Our Intourist guide took us to see an exhibition having to do with the Soviet space effort. One of the exhibits was a spherical module which, given the date, I imagine was part of a Soyuz-A. The thing that struck me, and that I would be interested in having confirmed (or not) by someone knowledgeable, was that part of the thing (a porthole surround?) was made of/trimmed with wood. Could this be the case or is my memory playing tricks on me?