Vintage 1959 PICKETT Model N1010-T TRIG Slide Rule W/ Original Leather Case

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

Pickett N-500T Hi Log Log All-Metal 10 in Slide Rule w/ Black Leather Case & Box

Pickett & Eckel Log Log 800-T Slide Rule W/ Leather Case - Vintage

Vintage Pickett & Eckel Slide Rule Model 800 Synchro Scale with Leather Case 10"

Vtg Keuffel & Esser 4053-3 Polyphase Mannheim Duplex Slide Rule 1950’s

VTG. K&E Keuffel & Esser N4081-3 Log Log Duplex Decitrig Slide Rule 1947 w/ Case

Pickett TRIG Slide Rule N200ES 6-Inch All Metal w/ Box & Leather Case