Transactions of the Cambridge Philosophical SocietyUniversity Press, 1822 |
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النتائج 6-10 من 100
الصفحة 30
... surface ) , n the number of periods and parts of a period it executes during its passage through the plate , or the order of the ring to which it is referred at its egress , and 7 the length of a period per- formed by the same ray ...
... surface ) , n the number of periods and parts of a period it executes during its passage through the plate , or the order of the ring to which it is referred at its egress , and 7 the length of a period per- formed by the same ray ...
الصفحة 38
... surfaces . The following is the scale of tints developed by a plate of this salt on exposure to polarized light : inclined 5 ° 12 ′ to the surface in the 38 Mr. HERSCHEL on the Tints.
... surfaces . The following is the scale of tints developed by a plate of this salt on exposure to polarized light : inclined 5 ° 12 ′ to the surface in the 38 Mr. HERSCHEL on the Tints.
الصفحة 58
... surface of the flux , and running about in small brilliant particles , like sparks of ignited matter , which afterwards fell to the bottom of the vessel . From the whole of the 7 grains of powder , a globule of alloy weighing 5 grains ...
... surface of the flux , and running about in small brilliant particles , like sparks of ignited matter , which afterwards fell to the bottom of the vessel . From the whole of the 7 grains of powder , a globule of alloy weighing 5 grains ...
الصفحة 60
... surface of the vessel , and be then left to become dry , a portion of the gold will become revived and will appear in the metallic state . This will take place the more readily if the vessel be exposed to light in a window , or to the ...
... surface of the vessel , and be then left to become dry , a portion of the gold will become revived and will appear in the metallic state . This will take place the more readily if the vessel be exposed to light in a window , or to the ...
الصفحة 92
... surface . The whole formation has generally been classed with the greywacké rocks of the German school . Many beds are of silky lustre , and even when viewed with a lens , appear of homogeneous texture . But in the cliffs , and other ...
... surface . The whole formation has generally been classed with the greywacké rocks of the German school . Many beds are of silky lustre , and even when viewed with a lens , appear of homogeneous texture . But in the cliffs , and other ...
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ABCD acid angle Apophyllite appearance axis ball beds carbonate of lime centre character chlorite schist clay slate cliffs coast colour compact composed considerable Cornwall Cove crystalline crystals cube cylinder decomposing decomposition described deviation direction distance district dyke earthy East equation examination exhibited Fellow felspar fissures formation fracture fragments function Galvanic gazometer granite granite veins granular green green-stone greywacké Helford river horizontal hornblende hydrogen inches instance intermixed irregular killas laminæ limestone Llanbabo Llaneilian Llanerchymedd Llanfaelog Llangefni Llanrhyddlad magnetic mass mica mineral muriate Nare point nature nearly needle North observed occur old red sandstone parallel particles passing perpendicular phenomena piston plane plate polarization porphyritic portion present pyroxene quartz quartz rock resembling Rhoscolyn schistose schorl serpentine side slaty South specimens steatite strata structure substance surface texture trace Trin ureters variety vertical whole wire