|Slide rules HOME page||COLLECTION||5" RULES|
|Model||N300ES Dual base log-log|
1. This rule is one of the range in "Eye-saver yellow"
promoted by Pickett as being less tiring to use.
||Detail - front view
||Detail - back view
|Manufacturing date||1962 (marked on 10" rule of pair)|
|Scales||LL1, A [B, T, S, C] D, LL2
LL3, DF [CF, CIF, CI, C] D, L
|Cursor||Plastic with metal screws|