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tosecurespecimens.Itoreoffaboutadozenpiecesandwroteanumber oneachtocorrespondwithnumbersthatImarkedonaroughsketch- planoftheroomwhichIdrewfirst.Myexpectationwasthatif—asI 202 believed—arsenicalcandleshadbeenburntinthatroomarsenicwould havebeendepositedonallthewallsbutinvaryingamountspropor- tionatetothedistanceofthewallfromthecandle.Theloosepieceofpa- peronthewallbythebedwasofcoursetherealtouchstoneofthecase foriftherewerenoarsenicinitthetheoryofthearsenicalcandlewould hardlybetenable.Ithereforetooktheextraprecautionofwritingafull descriptionofitspositiononthebackofthepieceanddepositeditfor greater safety in my letter-case. AssoonasIreachedhomethatdayIspreadoutthetornfragmenton thewidestageofaculturemicroscopeandexamineditsoutersurface withastrongtoplight.Andtheveryfirstglancesettledthequestion. Thewholesurfacewasspangledoverwithminutecrystalsmanyof themhardlyaten-thousandthofaninchindiametersparklinginthe stronglightlikediamondsandperfectlyunmistakable;thecharacteristic octahedral crystals of arsenious acid. ButdistinctiveastheywereItooknothingforgranted.Snippingoffa good-sizedpieceofthepaperIsubmittedittotheMarsh—Berzeliustest and kids uggs outlet clearanceyilai: ugg boots clearance she must have managed it so on purpose |
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