1959 Vintage Pickett N4-ES Log Log Dual-Base Speed Metal Slide Rule Leather Case

Almost New, has been in Storage for over 40yrs. Original owner marked his name in the sheath and everything from the original packaging is still there. Certificates and Manuals included, ruler is still in plastic.

N4-ES Pickett Log Log Dual Base Slide Rule. Top Grain Leather Case with Safety Liner. Completely Adjustable Plus Slide Tension Springs. Chicago 5, Illinois- Alhambra, California.