gas to oil ratio

So I just recently overheated my saw while milling, and though it can be repaired (and it goes into the shop tomorrow first thing), I would like to make sure it doesn't happen again. Clearly I need to be more careful about letting the saw idle to cool down after a few minutes of hard cutting...

I recently bought this vintage Homelite chainsaw with a 10 inch blade off eBay and I need to know what the model info or name is so I can figure out the gas to oil ratio needed. I added some pictures. Please any help would be greatly appreciated. The only thing I could find on the old chainsaw...