21-05-2020, 06:27 PM
Unlike you chaps, I haven't made a serious examination and I've forgotten most about it, but the whole thing looks rather dubious to me. ISTR their display was claimed to be 60-lines at 15 Hz. If the '120-line' sync wheel was indeed a genuine part of the apparatus, it could have run at half speed or provided two pulses per line. Jeffrey may be able to tell us how the synchronisation was actually done...
