Vintage Pickett Simplex 10in Trig Slide Rule Model N902-T & Case, w/original box

Vintage Pickett All Metal Slide Rule Model N902-T Simplex Trig w/ Case, Manuals

Pickett N902-ES Simplex Trig All Metal Slide Rule w/Case, Org Box, Directions

KSE Pickett N902-ES Simplex Trig Metal Slide Rule and Cover

Pickett All Metal Slide Rule - MODEL N902-ES Simplex Trig + Leather Case

Vintage Pickett All Metal Slide Rule - MODEL N902-ES Simplex Trig + Case

PICKETT Model 902-T Simplex Trig Slide Rule w/ Original Case

Pickett Model N902-ES Simplex Trig Vtg All Metal Slide Rule w/Case, Box, Booklet