All, Front window of our 1930’s craftsman is doublepaned ( likely circa 80’s ) in what appears to be the original frame. It appears to have moisture trapped inside and likely needs to be replaced or , at the very least, repaired. We would like to keep the frame and look the same, so it is not a simple job we suspect.
I’ve seen a pretty cool looking place on 8th and 70th, http://www.vintagewindowseattle.com/. I’ve never been in there though. I’m lucky, my 1910 Craftsman style windows still have the original wavy glass, bubbles and all. I commend you for keeping the original sashes! So many people have replaced these with horrible looking windows that just destroy the look of these houses.