[/img][/img][/img][/img][/img][/img][/img]]Hi again!
See if it works. Here are catalogs of both the Archimedes BST (2.5 hp) and Archimedes BSM (3.5 hp). The "Hydro ljuddämparen" (Watercooled muffler) and some pages from the 1927 Archimedes Motor Catalog. That was the last year with only knuckle busters.
