Vintage Kueffel & Esser Slide Rule With Black Leather Case N4053-3

Vintage Kueffel & Esser slide rule model N4053-3 with black leather case. This is a used, pre-owned item in good condition and is a great choice for collectors, vintage calculator enthusiasts, or display. Approximate size is 11 in long, 2 in wide, and 1 in high. Item weight is 0.22 lbs.