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I simply wanted one. I used one in collage many years ago and liked it. Good product.
Verified purchase: Yes | Condition: Pre-owned
Classic slide rule that those of use who went to school in the last century used in high school math and physics class. A piece of history. Equipment like this was used in the calculations that landed us on the moon.
Verified purchase: Yes | Condition: Pre-owned
Verified purchase: Yes | Condition: Pre-owned
Good deal
Verified purchase: Yes
good product
Verified purchase: Yes | Condition: Pre-owned