. Natural history of Selborne and observations on nature [microform]. Natural history; Sciences naturelles. the morning, the quicksilver of Dollond's glass was down to half a degree below zero; and that of Mar- tin's, which was absurdly graduated only to four de- 19. T/ie viavage at Newton Valence. grees above zero, sank quite into the brass guard of the ball; so that when the weather became most in- teresting, this was useless. On the loth, at eleven at night, though the air was perfectly still, Dollond's glass went down to one degree below zen^! This strange severity of the weather made me v


. Natural history of Selborne and observations on nature [microform]. Natural history; Sciences naturelles. the morning, the quicksilver of Dollond's glass was down to half a degree below zero; and that of Mar- tin's, which was absurdly graduated only to four de- 19. T/ie viavage at Newton Valence. grees above zero, sank quite into the brass guard of the ball; so that when the weather became most in- teresting, this was useless. On the loth, at eleven at night, though the air was perfectly still, Dollond's glass went down to one degree below zen^! This strange severity of the weather made me very desir- ous to know what degree of cold there might be in such an exalted and near situation as Newton. We had therefore, on the morning of the loth. written to ^If"- . ''"id entreated him to hang out his ther- mometer, made by Adams ; and to pay some attention to it, morning and evening; expecting wonderful i83 Bi. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original White, Gilbert, 1720-1793. Toronto : Musson


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