Keufer and Esser Model 4081-3 Vintage Slide Ruler - $40

Keufer and Esser Model 4081-3 Vintage Slide Ruler 1

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condition: good
make / manufacturer: Keuffel & Esser
model name / number: 4081-3

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Vtg Keuffel & Esser Log Log Duplex Decitrig 4081-3 Slide Ruler with Hard Sided Leather Case. This a 10” two sided ruler. The indicator is glass with plastic edges held together with metal screws. Some condition issues with the case with the device itself being in GREAT condition. In its time, the standard for advanced computing. Now an amazing collector's piece.

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post id: 7689408311

posted: 2023-11-19 16:27

updated: 2023-11-27 20:01

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Keufer and Esser Model 4081-3 Vintage Slide Ruler - collectibles -...

Vtg Keuffel & Esser Log Log Duplex Decitrig 4081-3 Slide Ruler with Hard Sided Leather Case. This a 10” two sided ruler. The indicator is glass with plastic edges held together with metal...