Thor, welcome and thankyou so much for taking the time to scan and send these instructions.
You're profile doesn't say anything so how about introducing yourself?
To edit your profile, go to the Discuss o Mat page, at the bottom click on member profiles, then on the top of the members profiles page list it will have a place to click to edit your profile.
So I'm looking at Ebay and find there are a few Elna Supermatics and or manuals for sale. Seems they're all being bid on as well. Naturally there is a couple of sewing machine collector clubs I must resist, I must resist.
So it seems my machine was built somewheres 1952-1956. The first sewing machine to use interchangeable cams.