Originally Posted by beaniekins
I got a new vintage machine today. It is an 1936 electrical model singer, I'm not sure on the exact model number. The serial number is JB 536014. The power works, but the motor doesn't turn the wheel very well.
Congratulations on your "new" machine!!:-D. All it might need is a good oiling and lube, you'd be surprised how much difference it can make.
You can find out which model you have by looking up the serial number on this site:
http://www.singerco.com/support/serial_numbers.html
I can't be 100% sure but it may be a model 99.