The Faber Castell 57/87 Students Advanced Rietz Model Slide Rule is a high-quality engineering and surveying tool made in Austria. This slide rule is designed for precision calculations, making it a valuable collector's item for enthusiasts of mathematical instruments. With a durable plastic construction and a long history dating back to 1951, this slide rule is a reliable and functional piece for those interested in vintage computing technology.
Used slide rule, all markings are clear in the rule, case is yellowed over time.
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