I had to buy and learn to use the wheel for my AOW.
I still have mine and play with it now and again.
I must admit I quite like it, similar to a round slide rule I used.
Now I will have to explain what a slide rule is (think analogue calculator).
I still have mine and play with it now and again.
I must admit I quite like it, similar to a round slide rule I used.
Now I will have to explain what a slide rule is (think analogue calculator).