Yep...pre 1900 - here's a link to the Singer serial nos.
http://www.singerco.com/support/serial_numbers.html
That gadget looks like a ruffler to me and from what I can see of the attachments they are in pretty good condition.
You Americans are terribly spoilt you know :) your vintage machines are so cheap compared to what they are here in Australia....I never tire of seeing all your amazing finds.