#GoodToKnow
«Pail of Water Steadies Plumb Bob When Working in High Wind»
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#DaSapere
Se c'è vento un filo a piombo immerso in un secchio non corre il rischio di oscillare.
Source: #PopularMechanics April 1948
https://archive.org/details/PopularMechanics1948/Popular_Mechanics_04_1948/page/n217/mode/2up?view=theater
#PopularMechanics #dasapere #goodtoknow