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Bill Pflanz
Out of curiosity I did an Internet search to find the value of my slide rule that I purchased pre-calculators for engineering school. It is a Frederick Post Co. model 1460 with a leather case and the instruction manual purchased in 1970 for around $30. Apparently slide rules have become collectibles and the set appears to be worth around $300. This model is highly sought after due to the quality and the fact that it was one of the last years slide rules were being made.
Bill Pflanz
Bill Pflanz