Fitted 330 µF capacitor 16 Volts and blue LED ( corrected )
5 Oct, 2011. I adjusted the variable 10 pf cap, and cleaned the tracks with kerosine and the clock runs spot on time now.
I created this video with the YouTube Video Editor (http://www.youtube.com/editor) MT2S files (9) 225451, 225552, 230507, 234422, 234529 234829, 234902, 205904, 210012.