I believe our oldest machine is the Singer 13 - IIRC it was from around 1884. Then the 28 from 1889. After that, not sure. We plan to catalog them all but have been too busy acquiring so far. There's a possibility that we'll get through this weekend without finding anything new (I just opted out on a parlor cabinet w/66 down by Chicago.). Pictures of most of the herd can be found on these threads:
http://www.quiltingboard.com/vintage...t-t200122.html
http://www.quiltingboard.com/vintage...ml#post5566680
http://www.quiltingboard.com/vintage...e-t202494.html
http://www.quiltingboard.com/vintage...ml#post5583043
http://www.quiltingboard.com/vintage...t-t203112.html
http://www.quiltingboard.com/vintage...d-t203618.html