You have a Singer Sphinx, probably a 66? (I'm not the best at identifying models by sight). If you look at the base you will see a serial number on a brass plate. That will give us the info to date and properly identify your machine. It's in a treadle cabinet. Can you show us photos of the cabinet? This is one of the more common Singer designs but she's still pretty! Looks like she was pretty well taken care of, too. I bet with a little cleaning and oil she'll be running in no time!