Welcome,
I can't help as don't have any Viking machines. I only found a few threads here on QB that mention the 19e. From the pictures I have seen, I can't see any differences between the two machines.
The few posts that mention Viking 19e that I found are at
Vintage Sewing Machine Shop.....Come on in and sit a spell
Does anyone know this model number
Vintage Sewing Machine Shop Machine Photos
Janey - Neat people never make the exciting discoveries I do.