Philosophical MagazineTaylor & Francis, 1804 - Physics |
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Page 43
... grains of clay mixed with 3 grains of chalk , to which was added half a grain of carbon , yielded a dense porcelain glass of a dull lead - blue colour . The carbon had totally disappeared . This result , so very different from No. VII ...
... grains of clay mixed with 3 grains of chalk , to which was added half a grain of carbon , yielded a dense porcelain glass of a dull lead - blue colour . The carbon had totally disappeared . This result , so very different from No. VII ...
Page 45
... grains ; being five less than the weight of the clay and carbon . The mass of clay 12 grains , being 24 less than when introduced . The quantity of water in the clay being nearly 15 per cent . XVII . Fifty grains of raw Cornwall clay ...
... grains ; being five less than the weight of the clay and carbon . The mass of clay 12 grains , being 24 less than when introduced . The quantity of water in the clay being nearly 15 per cent . XVII . Fifty grains of raw Cornwall clay ...
Page 276
... grains of oxide , 8 of carbon , or 1-25th part . The fusion of this mixture afforded a very neat spherule of metal , which was found to weigh 8 grains or 4 per cent . , or I grain of metal for 1 grain of carbon . The glass was black and ...
... grains of oxide , 8 of carbon , or 1-25th part . The fusion of this mixture afforded a very neat spherule of metal , which was found to weigh 8 grains or 4 per cent . , or I grain of metal for 1 grain of carbon . The glass was black and ...
Contents
OF | 3 |
History of Astronomy for the Year 1803 Read at | 10 |
Gerions Errors | 14 |
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Abbé acid acres affinity antient appear astronomers Bacon basaltes carbon carbonic acid cent charcoal colour concave contained copal copper Cornwall Cornwall clay cow-pock crucible crystals cylinder DAVID MUSHET diameter discover distance ditto duced earth effect equal experiments exposed fused fusion glass gold medal grains Great-Britain greatest number greatest quantity guineas heat hitherto inches inoculated integrant particles invent iron Klaproth last Tuesday less letter lime manner mass matter metal method mineralogy mirrors mixture Mont Perdu muriatic muriatic acid nature nitric acid object observed obtained oxide oxygen person Philosophical pipe plane plants platina potash pounds pounds weight premium produced rays Roger Bacon says screw second Tuesday sheep silex silver medal small-pox Society the best specimen steam substance surface telescope temperature thirty guineas tion tube Tuesday in February Tuesday in January vaccine vessel weight whole wool