Pickett Model N902-T Simplex Trig Slide Rule w/ Leather Case USA Vintage

Vintage Pickett Model N902-ES Simplex Trig Slide Rule Rule w/ Faux Leather Case

Vintage Pickett All Metal Slide Rule - MODEL N902-ES. Simplex Trig - with case

Vintage 1959 Pickett Model N1010-ES TRIG All Metal Slide Rule Leather Case

Vintage Pickett Model N1010-ES TRIG Slide Rule in Yellow w/Black Leather Case

Vintage Pickett Slide Rule Model N902-ES Simplex Trig w Case – STEM Collectible

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

Pickett N1010-ES Trig Slide Rule Yellow USA w/ Leather Case 10”