Hmm. Another way of putting it - am I right to think that the 4501 was the first double specific? And that was also (4500 series) when they brought out the windowed gear indicator? And thus anything pre-4501 (pre-windowed indicator) would be double and triple compatible?
Hmm. Another way of putting it - am I right to think that the 4501 was the first double specific? And that was also (4500 series) when they brought out the windowed gear indicator? And thus anything pre-4501 (pre-windowed indicator) would be double and triple compatible?