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

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

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

Pickett All Metal Slide Rule Simplex Trig Model N902-T - White with Leather Case

Pickett N902-ES Simplex Trig All Metal Slide Rule with Case

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

VINTAGE PICKETT SIMPLEX TRIG SLIDE RULE*Model N902-ES*All Metal with case.

Pickett USA N902-ES Simplex Trig Metal Slide Rule w/ Leather Case Vintage