Hi Bob, and MMDers.  I called Emco Maier here in Columbus, Ohio,
and they told me the older Unimat hobby lathe parts are now handled
by Blue Ridge Machinery.  Here are their respective web pages, etc.

  Emco Maier Corporation
  2757 Scioto Parkway
  Columbus, Oh 43221
  tel: 800-841-0626, 614-771-5991  fax: 614-771-5990
  http://emcomaier-usa.com/

  Blue Ridge Machinery and Tools Inc.
  2905 Putnam Ave
  Hurricane WV 25526
  tel: 800-872-6500, 304-562-3538, fax: 304-562-5311
  blueridgemachine@worldnet.att.net
  http://www.blueridgemachinery.com/

  Sherline Products, Inc.
  2350 Oak Ridge Way
  Vista, California 92083, USA
  tel: 800-541-0735, 760-727-5857, fax: 760-727-7857
  http://www.sherline.com/

Later,

Mickey Sadler
Dublin, Ohio