The link I gave to treadleon is close. I was actually able to call 800 446 2333 (was a couple years ago) with the serial number for the 11X and they dated it as 1933, but I don't think they will give that information now. Singer has some White manuals the one for 13X is
http://www.singerco.com/uploads/down...c-book-13-.pdf I know they have some other White manuals as well at
http://www.singerco.com/support/instruction-manuals.
What is the serial number of your machine, mbtripp?
We like pictures
There are a lot of threads about White Rotary machines here on QB. I used "vintage white rotary" (without the quotes) for the search term. John did a thread about the 11X at
White Rotary 11 - Has Anyone Disassembled This Clutch? We also have a model 41X and 43.
Janey - Neat people never make the exciting discoveries I do.