That 's a horizontal mill, it's best uses where for slotting, grooving, slitting, cutting keyways and especially cutting gears. That one looks pretty rough, value would depend on how worn it is and how much of the original parts are missing or intact. Rust and play in the table and the hand wheels are important also. I also do not see any of the hand wheels, are they with the machine? I have an old Burke horizontal mill, but it was in great condition when I found it and also had a vertical attachment. Old machinery can be a money pit and parts difficult to find. That was a good brand in it's day, and it is good and heavy cast iron but I would do some research on line and see if you could find some pics of complete machines to see what is missing. I do not see any step pulleys to vary speeds either. It will be a bear to move and if it doesn't really work well it will take up space and be a waste of money. I'm not saying it is a bad machine, just be careful, it looks very rough, imo.