Vintage Pickett Metal Slide Rule Model N 3-ES Power Log Exponential W/Suede Case

Pickett slide rule N 3-ES all metal leather case made in USA vintage

Vintage Pickett Metal Slide Rule Model N 3-ES Power Log Exponential W/Suede Case

Vintage 1959 Pickett N4-ES Vector-Type Log Log Dual-Base Speed Slide Rule + Case

Keuffel & Esser K&E Deci-Lon 10 Slide Rule 68 1100 Leather Case USA Vintage

Pickett Model N4-ES Vector Type Dual Base Speed Rule with Leather Case

NIB Brand New Pickett N500-ES 500 ES 12" Slide Rule w/o Case

Dietzgen 1733 Polymath Slide Rule w Keuffel & Esser Case Cursor Crack