Pickett CREI N 531ES Metal Slide Rule Box, Case, Book

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Pickett CREI N 531ES Metal Slide Rule Box, Case, Book This auction is for one Picket CREI Slide Rule Model - N 531ES . This is in excellent condition. The slide rule is intact and free from chips and scratches. The actual slide is also intact and free from chips and cracks. The metal lining both ends of the slide rule is free from dirt and wear as well. This set looks practically new! The only pieces of the slide rule or set that has suffered any wear is the box which has some slight edge wear and the books have been folded in the box for so long, they look permenently folded. The ends, at the opening, of the case have bent back slightly and split a tiny bit. Otherwise this is excellent! Specifications and Inventory The double sided slide rule measures 12 1/8" long and 2" thick, both at the widest and longest points. This slide rule has the following scales: LL2, LL1, S, ST, T, C, D, LL3, L, Ln, A, B, C1, C, D, 2?, and K. The slide rule is "eye-saver" yellow and made completely of metal. This listing includes: Picket All Metal Slide Rule Box Books: How to Use Dual Base Slide Rule Exponential Ln-L Scales How to Use Log Slide Rules Blank Slide Rule Registration Card Slide Rule Selector Sheet Slide Rule Case Pickett CREI Slide Rule Model N 531ES This is a great addition to your Slide Rule Collection or a great alternative to your read more