• @pH3ra@lemmy.ml
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    201 year ago

    Its easier for people to have a tailor tape for measuring rather that a caliper, so I think 13 might be the girth.
    13÷π = ~4.13cm diameter (excluding major irregularities)

    • Echo Dot
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      81 year ago

      Also the calipers were cold and caused unfavourable shrinkage.