Post by coldspaces on Jan 12, 2016 4:53:43 GMT
This is an article I will have to find the time to read all of. GE's part is very interesting. States several thousand prototypes of 19 different types were made and tested in employees homes. Wonder if one survived anywhere? Looks like the sealed system was all made possible by GE's new glass insulated terminals. babel.hathitrust.org/cgi/pt?id=uiug.30112008259084;view=1up;seq=529