That's the one, and they probably are rare. But, as luck would have
it I know a custom tube-maker here in Kansas, and will be able to get whatever I
need made to desired specifications.
>.Blimey!! Just found it!
http://cgi.ebay.co.uk/RARE-HAMMOND-NOVACHORD-MOD-H-1939-SYNTHISIZER-169-TUBES_W0QQitemZ7422923753QQihZ016QQcategoryZ64429QQssPageNameZWD2VQQrdZ1QQcmdZViewItem
>.Mazeltov!
>.Are the four missing valves rare then?