Pickett Vintage Slide Rule All Metal Simplex Trig N902-T Case

PICKETT Slide Rule N902T Simplex Trig - with Instructions & Box

Pickett All Metal Slide Rule Model N902-T Simplex Trig w/ Case, Manual & Box

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

Vintage Pickett N902-T Slide Rule Simplex Trig USA With Brown Leather Case

Vintage Pickett Model 902T Simplex Trig Slide Rule Aluminum Leather Case

Vintage Pickett Slide Rule Model N 1010 ES TRIG 1959 Leather Hard Case Math

Vintage Pickett Student Slide Rule w/Case and Instructions, Apollo Edition