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Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage Exc For Sale
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![Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage Exc Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage Exc](img-large/g/VtYAAOSwsWtl95vQ/s-l1600/Charvoz-Roos-No-SR-111-Trig-O-Log-Trigonometry-Sli.jpg)
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Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage Exc: $32.95
This vintage Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule with Case is a must-have for any collector or enthusiast of engineering and science memorabilia. Made in the United States, this slide rule is a true piece of history that has been well-preserved and is in excellent condition. It boasts intricate trigonometry scales and a unique design that makes it a standout item in any collection. In excellent condition. Please see pics this is the exact item you will receive.
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VINTAGE Charvoz-Roos Side Rule No. SR-105 With Case Made in USA Drafting Tool $9.99
![Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage Exc picture](/vintage/img/g/VtYAAOSwsWtl95vQ/s-l225/Charvoz-Roos-No-SR-111-Trig-O-Log-Trigonometry-Sli.jpg)
Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage Exc $32.95
![Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage picture](/vintage/img/g/XpIAAOSw7BllGZEj/s-l225/Charvoz-Roos-No-SR-111-Trig-O-Log-Trigonometry-Sli.jpg)
Charvoz-Roos No. SR-111 Trig-O-Log Trigonometry Slide Rule w/ Case Vintage $34.99
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