Anon 4:21 from yesterday,
I took out the קונטרס משכן ישראל : על קדושת מצוות הבית... from Gottesman and have been poring over it for the last hour and a half (in addition to the other hour I spent in the library.) While it's fascinating and I've basically read the whole book of Chassan Literature by now, I can't find the Steipler's Letter (which you say is there.) Now, I believe you that it's there but I literally scanned every inch of Volume 1 and now I'm on to Volume 2 so any chance you have some idea as to where it is? It must be that I have passed over it somehow...I saw a lot of similar ideas to it, especially in Volume 1, but nothing that matched the excerpt I have.
In any case, I'm sure I'll feel very foolish when you point out that it's right in front of my nose, but I figured I might as well ask.