Just in case you are still searching; SyllieC (4,114) posted the manual on SCRIBD.com.
You can download it for free at http://www.scribd.com/doc/5553830/Singer-1950s-Sewing-Machine-Manual-Class-9999K
You will have to sign-up using an email account and a four letter password, but it is very quick and easy to do.
If you don't want to sign-up, I have uploaded the manual.
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Singer Sewing Machine XL-10 Singer xl - 10 sewing machine Dear support, I would like to kindly ask for you help. I experience a problem during the function em…