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Mason and Dixon reported a systematic error in their measurements of the border of Maryland and Pennsylvania to the Royal Society. This was suspected to be the
by basementcat 7y ago
Mason and Dixon reported a systematic error in their measurements of the border of Maryland and Pennsylvania to the Royal Society. This was suspected to be the mass of the Allegheny Mountains and eventually led to subsequent experiments.
https://en.m.wikipedia.org/wiki/Mason%E2%80%93Dixon_line https://en.m.wikipedia.org/wiki/Mason%E2%80%93Dixon_line
- daxfohl 7y agoI learned about that when I was reading the novel by Pynchon. I can't remember whether it was actually in the novel or if I stumbled across it while cross referencing.