Here is a odd one. A 1020 with the tank labled 1321. Guess the factory had tanks they wanted to get rid off. No hole for a rapid heater. Needle and jet is 1020 model. Stamped AD30.
Nice one! But from what I can see, the little tag actually says 1320, so everything look allright to me. Except that someone has swapped to a paraffin jet and needle. I guess the air restriction has been removed from the air tube? (I'll move it to 1320 later.)
