Both artefacts are when compared in vacuum and in air. By comparing The 2 artefacts of equivalent nominal body weight, the large volume variance displays the air buoyancy and therefore results in a really exact willpower of air density. The buoyancy artefacts are primarily useful for the M_one vacuum mass https://connerskrjx.theideasblog.com/31359988/bailing-wire-can-be-fun-for-anyone