If this is a vintage Necchi, it might be a great machine. I believe with most of the vintage Necchi's, the hand wheel goes the opposite direction of most machines. I haven't watched them, but found these Youtube videos:
https://www.youtube.com/watch?v=hwNNBQJAE00
https://www.youtube.com/watch?v=wVifJVsrO80
There are a couple of groups on groups.yahoo.com that are devoted to vintage Necchi machines. You might want to join them for more info, tips, etc.
Here's a link to a review done by one of the Youtube people:
http://www.quiltingroomwithmel.com/2...necchi_13.html