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

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

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

Pickett 10 Inch 902-T Slide Rule Original Box Case Paperwork Model Simplex Trig

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

Vintage Pickett Simplex Trig Slide Rule Model 902-T Original Box, Instructions