COLLECTIBLE ITEM & THE LEATHER CASE IS HARD TO FIND THAT MAKES IT WORTH MORE.
The product is a vintage 1934 Keuffel & Esser (K&E) slide ruler, #4053-3 a classic tool used in engineering and mathematics. It comes with its original leather case, adding to its collectibility and authenticity. This high-quality slide ruler was made by a reputable company known for producing precision instruments, making it a valuable piece for collectors or those interested in the history of engineering tools.
THIS RULER IS IN REALLY GOOD SHAPE CONSIDERING ITS AGE FROM 1934. YES IT IS WORN SOME ESPECIALLY THE CASE BUT STILL AWESOME FOR ITS AGE.

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