Induction motor, cast top. Low end fence. The holes are there for a better fence. At least it doesn't have the finger grabbing open hole wings. Those were designed by a sadist.
Does it run? Now is the time to check blade alignment, as the bottom of that top most likely is in the same condition.
If so, get ready for fun! Take off the wings, clean and prep and paint.
WD-40 and carborundum paper (black, wet/dry) If you have a palm sander, makes job easier. Wet surface and sand. Messy, need bundle of bounty...
New blade and after market fence system and you have a killer saw. Depending on the fence you choose, you can have a great saw for about $200.00. Walk into Sears and give about $600.00 for new...