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Vintage Acu-math No. 500 Slide Rule
White With Black Case
Made In USA
Preowned. May show a little wear on ruler and case due to use.
Acu-math No. 500 Slide Rule is a classic Mannheim-type simplex trig slide rule produced in the United States around 1960. Made of machined, white all-plastic construction, it was highly popular among mid-century students, engineers, and scientists for manual multiplication, division, and basic trigonometry.
Durable and precise, this vintage Acu-math No. 500 slide rule is crafted in the USA with a protective black case. A reliable tool for engineers and collectors.
• Made of durable aluminum and plastic
• Includes original black protective case
• Vintage design for precision calculations
• Made in the USA
