Imagine Your Scratch Work Sold for $388,375

apollo 13

Commander James Lovell’s arithmetic scratch work in one of the Apollo 13’s manuals sold a little over a year ago for $388,375. Check out this Gizmodo article. Particularly poignant is the transcript of the radio dialogue between Lovell and Houston as he is asking them to check his work. Any slight error could have meant death for the astronauts aboard. Talk about high stakes testing! …also wondering if this is the most valuable mathematical artifact out there?

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