na-aga n'okpuru ebe na mgbe ahụ zaa ajụjụ mgbe e mesịrị na otu asụsụ dị ka akụkụ: N'ụzọ: The Schiehallion nnwale e kwughachiri na 1856 site Henry James, director-general nke Ordnance Survey, onye kama ji ugwu Arthur oche na Central Edinburgh. Na ego nke Ordnance Survey n'aka ya, James gbatịrị ya topographical nnyocha e mere na a 21-kilomita okirikiri, na-ewere ya dị nnọọ ka ókè-ala nke Midlothian. O nwetara a njupụta nke banyere 5,300 kg·m−3.An nnwale na 2005 mere a mgbanwe nke 1774 ọrụ: kama ịgbakọ obodo dị iche iche na zenith, nnwale mere a nnọọ ezi tụnyere nke oge nke a pendulum n'elu na ala nke Schiehallion. The oge nke a pendulum bụ a g, na obodo acceleration. The dijitalụ pendulum na-atụ anya na-agba ọsọ nwayọọ nwayọọ, ma ga-eme ihe n'ime ugwu Arthur oche na etiti Edinburgh.
5,300 kg·m−3