Here's a couple of links for you. Both on the subject of the Singer 16-188.
http://www.get-up-and-go.com/upholst...ay;threadid=11
http://get-up-and-go.com/upholstery-...=3860.msg28533
Or, you could use my search yourself:
http://www.google.com/search?q=%22Si...L_enUS177US231
Doesn't look like it has reverse, but I may be wrong. Good luck in your search!