British Encyclopedia: Or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volum 9Mitchell, Ames, and White, 1821 |
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... reflection from plane , cylindrical , and co- nical mirrors , and the refraction of crys- tals . This task his friend father Mersenne undertook , not only by correcting what Niceron's papers in Latin and French would furnish towards it ...
... reflection from plane , cylindrical , and co- nical mirrors , and the refraction of crys- tals . This task his friend father Mersenne undertook , not only by correcting what Niceron's papers in Latin and French would furnish towards it ...
Side
... reflected images of a candle , varying the distance till the two images unite , which is the true centre point : then if this fall in the middle , or central point of the glass , it is known to be truly centered . As object - glasses ...
... reflected images of a candle , varying the distance till the two images unite , which is the true centre point : then if this fall in the middle , or central point of the glass , it is known to be truly centered . As object - glasses ...
Side
... reflecting one of two feet at least in length , for observing particular pheno- mena . See TELESCOPE . III . A Micrometer for measuring small angular distances . See MICROMETER . IV . A Quadrant , for a description of which , and its ...
... reflecting one of two feet at least in length , for observing particular pheno- mena . See TELESCOPE . III . A Micrometer for measuring small angular distances . See MICROMETER . IV . A Quadrant , for a description of which , and its ...
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... reflections . Mr. Oldenburg continued to publish the " Transactions " as before , to Number 136 , June 25 , 1677 ; after which , the pub- lication was discontinued till the January following , when they were again resumed by his ...
... reflections . Mr. Oldenburg continued to publish the " Transactions " as before , to Number 136 , June 25 , 1677 ; after which , the pub- lication was discontinued till the January following , when they were again resumed by his ...
Side
... reflections , till at length , falling on some solid part , they become quite extinct , and are utterly absorbed . Hence , cork , paper , wood , & c . are opaque ; while glass , diamonds , & c . are pellucid . For in the confines or ...
... reflections , till at length , falling on some solid part , they become quite extinct , and are utterly absorbed . Hence , cork , paper , wood , & c . are opaque ; while glass , diamonds , & c . are pellucid . For in the confines or ...
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The British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Volum 9 William Nicholson Uten tilgangsbegrensning - 1818 |
The British Encyclopedia: Or, Dictionary of Arts and Sciences. Comprising an ... William Nicholson Ingen forhåndsvisning tilgjengelig - 2015 |
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