Answering Ed Gaida's question in yesterday's MMD, seeking a source
for ladder chain sprockets.  Stock Drive Products/Sterling Instrument
Company has many different ladder chain sprockets in steel or bronze.

Click here http://www.sdp-si.com/SS/PDF/SSLS2006.PDF to see the catalog
page for size 19, 65 links per foot.  Replace SSLS2006 with SSLS2009 to
see size 18, 42 links per foot, and SSLS2013 for size 17, 34 links per
foot.

  Stock Drive Products/Sterling Instrument
  2101 Jericho Tpke., Box 5416
  New Hyde Park NY 11042-5416
  tel.: 516-328-3300

Richard Vance