Thanks very much for the American Sember info, Shirtmaven. Nicole was very helpful.
Pretty amazing selection of unusual stuff, I think.
Here's a photo of my haul, which includes a lot of those Alumo 36" rolls, some TM including one Gold Line, and one piece of Testa:
And here are some recent acquisitions from Tip-Top, including some Ariston Hopsack 50% Mohair, 50% Wool, some Windowpane Fresco, which I believe is Woodhouse, though there is nothing printed on the roll,...