Vintage Faber- Castell Duplex Slide Rule, No. order 2/82 et 62/82. 1950s

Rare find! Vintage Faber-Castell Duplex Slide order Rule, No. 2/82 et 62/82. Made in Germany 1950s. Original plastic case and 2 owner's manuals, one in German and one in French. Plastic case is slightly yellowed, but in great shape. Slide rule is pristine, slide bar moves freely, cursor window is clear and without scratches and also moves freely, Numbers and gradients are fully legible and show very little signs of ware. Unusual to find a Slide Rule with 2 owner's manuals. Great collectible!