The listing, Miniature Old Time Radio Music Box has ended.
Adorable vintage miniature old time radio music box by Chadwick-Miler Company.
Plays-Happy Days are Here Again
The right hand know in the front is the one and off switch after you wind it.
1974
4" tall
1 screw is missing in the back
Plays for over a minute or two
Something does rattle inside but doesn't affect it.
Check back, I have some online vintage stores but will be listing things on Listia because it's more fun!