Pickett & Eckel Model N4-T
Vector-Type Log Log
(1964+)
slide rule
slide rule
Click to view 300 dpi image.
ManufacturerPickett & Eckel
ModelN4-T
Serial No.
Scale length25 cm
Overall length30.8 cm
Width5.2 cm
Body/Slide materialsAluminum, 2.5 mm, tension springs
Post materialsStamped aluminum (curved cutout)
Cursor materialsNylon / Plastic (groved, convex)
Scales 3√ {3√ 3√} DF [CF CIF {T T} {ST S:S} CI C] D DI { }
{LL1+ LL1-} {LL2+ LL2-} DF/m [CF/m TH {SH SH} {Ln L} CI C] {LL3+ LL3-} {LL4+ LL4-}
AccessoriesBrown leather case w/ plastic insert, good condition; brown belt clip.
Notes
Tag No.PE-4-1
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