Slide rules
Bob Eager has brought this to us :
I have a Thornton AA010. Also two sided, LL1, LL2, LL3 (and inverse
LL1,LL2,LL3). And lots of other scales I don't remember! I don't know
where the manual went.
I threw mine away, when cheap calculators came on the scene, I do wish
I had kept it now.
|