Calculating with a slide rule for the first time: "2 x 3 ... let's see ... align the left index of C with 2 on D ... move the cursor over 3 on C ... read 6 on D ... no problem!"

Cleaning, adjusting, and lube'ing: getting slide rules ready for fast and accurate operation.

In the middle of a difficult calculation: Who will get the answer first?

Chancellor Bob Dynes tells us about his slide rule days.

Masters of the slide rule.