Philosophical MagazineTaylor & Francis, 1804 - Physics |
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Page 31
... colour when fluxed with borax . 6th . That the blue colour in both metals is soluble in water , and may be easily changed or dissipated by heat . The fugacious nature of the blue tint , so peculiar to both these metals , is often very ...
... colour when fluxed with borax . 6th . That the blue colour in both metals is soluble in water , and may be easily changed or dissipated by heat . The fugacious nature of the blue tint , so peculiar to both these metals , is often very ...
Page 140
... colour was noticed in one part , which resembled coal . The experiment was therefore repeated a second and third time ; and the fused silex obtained in a state of great purity as to colour , though still containing a number of minute ...
... colour was noticed in one part , which resembled coal . The experiment was therefore repeated a second and third time ; and the fused silex obtained in a state of great purity as to colour , though still containing a number of minute ...
Page 158
... colour , but which when perfectly dry becomes dark . When exposed to a strong heat , long continued , it assumes a dark brick colour . The oxalate and acetate of cerium , when calcined in vessels not completely shut , give a white oxide ...
... colour , but which when perfectly dry becomes dark . When exposed to a strong heat , long continued , it assumes a dark brick colour . The oxalate and acetate of cerium , when calcined in vessels not completely shut , give a white oxide ...
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