🔴 LOGAREX 27302 Darmstadt Slide Rule with Vintage Case

Technical engineering instrument – ​​Made in Czechoslovakia – with original case, an authentic professional logarithmic slide rule produced by LOGAREX

The 27302 model uses the Darmstadt system, highly regarded for its wide range of scales useful for advanced technical calculations: electrical engineering, scientific conversions, applied physics and mechanical design.

 📏 A practical and solid tool, now a collector's item, appreciated as much for its functionality as for its clean design and the legibility of the scales.

🔧 Technical features

📐 System: Darmstadt (with scientific log, trig, and quad scales.)

📏 Overall length: 18.4 cm (7.24 in)

🔠 Model: Logarex 27302 – front marking with conversion tables (Ω, kg/dm³, HP, atm, etc.)

📊 Scales: log x, x², 1/x, trigonometry, conversions

🔍 Central detail: transparent slider in hard plastic

🕰️ Period: circa 1960s–1970s

🔍 Condition as per photo – perfectly legible, with normal signs of use, complete with original case

📦 Intact instrument that can be archived in a scientific collection

👜 Original case: hard brown leather effect, well preserved

📖 An era when science was calculated mentally and by hand: The LOGAREX slide rule represents a glorious phase of analog design, when calculation was a conscious technical gesture. Every engineer, student, or physicist carried this instrument with them, a true "pocket computer" ante litteram.

An evocative and authentic object, a bridge between mind and machine.

🎖️We've been a top-rated seller on eBay for years, with over 2,400 fully satisfied customers who have chosen our store for quality, care, and authenticity. Every item we offer is carefully selected, photographed, and described with expertise and passion.

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