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1960’s 7FT PICKETT DEMONSTRATION SCHOOL Slide Rule Ruler - $300 (GLENDALE)
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- It is an actual working model! It was used for learning demonstration in schools.
-Make a fabulous display piece.
- Measures 84" long x 10.25" high
- The 7-foot slide rule was not a product sold to the public but rather a demonstration tool for educational purposes. It was used in classrooms to visually illustrate how smaller slide rules were used for calculations.
- These came in 4 foot and 7 foot versions.
- The stock and slide are of plywood (tongue and grooved), the end brackets are sheet aluminum. The cursor consists of pine wood with aluminum paint, with a clear plastic lens.
- Both sizes came with metal eye loops for hanging from a wall or ceiling.
$300.00 or Best Offer ~ CASH ONLY!!