Philosophical Transactions of the Royal Society of London, Volume 103W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1813 |
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Pagina 4
... nearly that of olive oil , and it is as transpa- rent , and more perfectly liquid . I have not been able to ascer- tain its specific gravity with accuracy , but it is probably above 1.6 . Its smell is very nauseous , strongly resembling ...
... nearly that of olive oil , and it is as transpa- rent , and more perfectly liquid . I have not been able to ascer- tain its specific gravity with accuracy , but it is probably above 1.6 . Its smell is very nauseous , strongly resembling ...
Pagina 32
... nearly ten thousand men ; and the result has been , that near sightedness , among the privates , is almost utterly unknown . Not half a dozen men have been discharged , nor half a dozen recruits rejected , on account of this ...
... nearly ten thousand men ; and the result has been , that near sightedness , among the privates , is almost utterly unknown . Not half a dozen men have been discharged , nor half a dozen recruits rejected , on account of this ...
Pagina 33
... nearly equal accuracy through two glasses , one of which is one number deeper than the other ; and though the sight be in a slight degree more assisted by the deepest of these than by the other , yet on its being first used , the ...
... nearly equal accuracy through two glasses , one of which is one number deeper than the other ; and though the sight be in a slight degree more assisted by the deepest of these than by the other , yet on its being first used , the ...
Pagina 36
... nearly to the rim of the cornea ; but whenever she looks at a small object , nine inches from the eye , it contracts , within less than a minute , to a size nearly as small as the head of a pin . Her left pupil is not affected like the ...
... nearly to the rim of the cornea ; but whenever she looks at a small object , nine inches from the eye , it contracts , within less than a minute , to a size nearly as small as the head of a pin . Her left pupil is not affected like the ...
Pagina 40
... nearly four inches . - In a third instance , viz . that of a lady forty - five years of age , who had been remarkably near sighted from her in- fancy , and for many years had used concave glasses of the fifteenth number , ( which number ...
... nearly four inches . - In a third instance , viz . that of a lady forty - five years of age , who had been remarkably near sighted from her in- fancy , and for many years had used concave glasses of the fifteenth number , ( which number ...
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