I wondered about no groove for the treadle belt in the 401G as with the motor it is not belt driven. Miriam, thank you for the link with your two machines. It took some time on your part and fastforward to today and it is still appreciated.
How much for an above average but not pristine collectible (I want to use not collect anyway) would be a fair price to ask for a 401G?
Here is a pic of what I see as pure art and beauty . . .
http://stagecoachroadsewing.com/univ%20trdl.html