Transactions, American Philosophical Society (vol. 7, 1841)American Philosophical Society |
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Página 2
... minute , from being observed two degrees out of the magnetic meridian . The method employed for determining the magnetic meridian possesses , therefore , all the accuracy which could be desired for this purpose . Both needles were ...
... minute , from being observed two degrees out of the magnetic meridian . The method employed for determining the magnetic meridian possesses , therefore , all the accuracy which could be desired for this purpose . Both needles were ...
Página 3
... minutes . This occasional sluggishness of the needle may , perhaps , be ascribed to moisture , or minute particles of dust settling upon the axis of the needle and upon the agate supports , and acting , by friction , to retain the ...
... minutes . This occasional sluggishness of the needle may , perhaps , be ascribed to moisture , or minute particles of dust settling upon the axis of the needle and upon the agate supports , and acting , by friction , to retain the ...
Página 32
... minute state of division . Nevertheless , after exposure of the amalgam thus produced to the air , till all the calcium had been separated , and igniting the resulting powder to drive off the adhering mercury , the ratio of the weight ...
... minute state of division . Nevertheless , after exposure of the amalgam thus produced to the air , till all the calcium had been separated , and igniting the resulting powder to drive off the adhering mercury , the ratio of the weight ...
Página 33
... minute portion of mercury still in combination with the metals of the earths . " * The observations are more than confirmed by my experience , which leads me to the conviction that the removal of the mercury is not to be accomplished ...
... minute portion of mercury still in combination with the metals of the earths . " * The observations are more than confirmed by my experience , which leads me to the conviction that the removal of the mercury is not to be accomplished ...
Página 55
... , on lifting the receiver minute masses were found upon the coal , which had a metallic appearance , and which , when moistened , produced an effluvium , of which the smell was like DEFLAGRATING CARBURETS , PHOSPHURETS , OR CYANIDES . 55.
... , on lifting the receiver minute masses were found upon the coal , which had a metallic appearance , and which , when moistened , produced an effluvium , of which the smell was like DEFLAGRATING CARBURETS , PHOSPHURETS , OR CYANIDES . 55.
Términos y frases comunes
66 Mean achenia achenium acuminate acute alveolate amplexicaule attenuated awns base branches canescently capituli Capitulum Capitulum many-flowered Chinese ciliate clusters corymb corymbose DECAND discal florets disk double star entire exserted fastigiate few-flowered filiform five five-toothed flowers foot high function genus glandular herbaceous heterogamous hirsute horizontal intensity imbricated inches high inches long inner involucrum lanceolate lanuginous Latitude leafy leaves linear length line wide linear-lanceolate linear-oblong London margin membranaceous meteors minute narrow Nearly allied nearly smooth nebula Needle nitric oxide numerous NUTT oblong obtuse one-flowered Oregon ovate paleaceous paleæ panicle pappus Paris pedicels peduncles petiolate Philadelphia pilose pinnatifid plant poles reversed preceding pubescent radical leaves rain rays Receptacle naked Remarks right ascension Rocky Mountains scabrous scales scape scarcely segments sepals serrate sessile short shorter slender species specimens stars stem leaves Stigmas summit terminal three-nerved three-toothed tomentose trifid twelve Upper California villous wind yellow
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