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Vtg 50s GIANT Pickett N902-ES Slide Rule Teaching Aid Yellow Wood 48" L & Book
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Pickett N1010-ES Trig 48" Display Slide Rule Teaching Guide Tool 4 Feet Long
Huge 4' Pickett All American Quality Slide Rule - TR Trading Company
Huge 4' Pickett All American Quality Slide Rule - TR Trading Company
Vintage Slide Ruler Welch Wood Black White X-large Teacher Classroom Display Demo Aid Engineering Industrial Office Mathematics Nerd Decor - Etsy
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Huge 4' Pickett All American Quality Slide Rule - TR Trading Company
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The giant slide rule went missing
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Slide rule | History, Uses & Calculations | Britannica
