What heater is in my 52 chevy 3100?

[cotsi95]

Here is a link the an album with 29 pictures of the heater and its parts.

http://s138.photobucket.com/albums/q...203100/Heater/

It definitely isn't factory, there were bolts holding the heaters itself on then 2 screws holding the part where the heater lines hook up to it and 2 holding the control panel on. I got it all off and took most of it apart. There are absolutely zero logos, part numbers or anything on the units except for where the water lines hook up. My question is exactly how does the heater get warm? I don't see any sort of heater core or a place where it would go. Also one thing that was really cool is it was wired up to the ignition switch and then in the control panel there is a cam lobe that depressed a switch on the backside to turn the motor on, very cool imo. It's definitely going back in the truck after I clean it up. But is anyone knows what it might be or where I can get some new knobs that'd be great since they are all broken now.

Thanks,
Wade
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[cotsi95]

Nevermind figured out it's out of a 1949-51 Chevy sedan.