Interesting! That’s a serious “home brewed “ cooling system...
![laugh](http://soda-machines.com/discussions/Smileys/smc/laugh.gif)
It’s possible that it was an early attempt to make a “ dry” chest that was electrically cooled Coke jr. ( thats a lot of work involved in the coil supports / brackets) The other production electric jr,s were water cooled models.