When I was learning to sew, my Mom had an old White cabinet with a newer White Japanses made zigzag machine in it. After she passed away, we found the 1930's White machine that would have been original to the cabinet in the attic. So we figured she'd "upgraded" some time in the 50's and the old machine got stored. None of us kids knew it was up there.
She had upgraded to a Viking in the 90's, no idea where that second White ended up.