|Slide rules HOME page||COLLECTION||5" RULES|
|Model||N4p-T Vector type - Log-log dual base speed rule|
1. This rule has exactly the same arrange of scales as the N4-T. This is not always the case with other "paired" Pickett rules.
|Detail - front left
||Detail -front right
|Detail -back left
||Detail - back right
|Manufacturing date||c 1970|
|Scales||3Ö No. 1, 3Ö No.
2, 3Ö No.3 , DF [CF,
CIF, T1, T2, ST, S, CI, C] D, DI,Ö No. 1, Ö No. 2
LL0-LL00, LL1-LL01, DF/M [CF/M, TH, SH1, SH2, Ln, L, CI, C] D, LL2-LL02, LL3-LL03
I have used the "standard" designations rather than those on the rule. Pickett labels their log-log scales from LL1 to LL4.
|Hair lines||Single hair lines|