German Faber Castell 'Rietz' 57/87 Vintage Slide Rule in Original Plastic Case

---

Size: 5760px × 3840px
Photo credit: © Helene Rogers / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: case, castell, faber, german, math, measurement, measuring, numbers, original, rietz, rule, ruler, scientific, slide, vintage