Hi Tengu
I rescued a Gottschalk canvas frame tent from an RAF buddy 26yrs ago. 1st tent he remembers camping in with his family in Germany in the very early 60s.
Used it last weekend in torrential rain
.perfect, I've never reproofed it and bit has a couple of minor seeps on the seam where the pic roof meets the sides, at the back. Photos available as I have it up for cleaning and drying, pm me