The Popular Educator, Τόμος 4John Cassell, 1854 |
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Σελίδα 4
... sulphur , in order that something may be made wherewith certain properties of the zinc may be tested . The combination of sulphur with iron is called sul- phuret of iron , occasionally the sulphide of iron , and let the reader well ...
... sulphur , in order that something may be made wherewith certain properties of the zinc may be tested . The combination of sulphur with iron is called sul- phuret of iron , occasionally the sulphide of iron , and let the reader well ...
Σελίδα 5
... sulphur compounds , but of the metal zinc . If the collateral facts just mentioned choose to attach themselves to ... sulphur with iron , in other words , to make sulphuret of iron , it is merely necessary to bring a white - hot bar of ...
... sulphur compounds , but of the metal zinc . If the collateral facts just mentioned choose to attach themselves to ... sulphur with iron , in other words , to make sulphuret of iron , it is merely necessary to bring a white - hot bar of ...
Σελίδα 6
... sulphur and zinc , —to obtain this white compound , I say , is the object to which all our care and attention have been directed - all our cork - boring , and furnace - making energies , brought into play . Perhaps some chemical ...
... sulphur and zinc , —to obtain this white compound , I say , is the object to which all our care and attention have been directed - all our cork - boring , and furnace - making energies , brought into play . Perhaps some chemical ...
Σελίδα 37
... sulphur and zinc , and therefore called sulphuret or sulphide of zinc . Fig . 14 . Let the reader impress upon his memory the fact that sulphuret or sulphide of zinc is white , and that it is the only metal which yields a white compound ...
... sulphur and zinc , and therefore called sulphuret or sulphide of zinc . Fig . 14 . Let the reader impress upon his memory the fact that sulphuret or sulphide of zinc is white , and that it is the only metal which yields a white compound ...
Σελίδα 39
... sulphur - of course it is easy to calculate the amount of metal and of sulphur present , with- out actually separating the sulphur and obtaining the metal bodily . Two LESSONS IN GREEK . - No . IX . BY JOHN R. BEARD , D.D. γιγαντος ...
... sulphur - of course it is easy to calculate the amount of metal and of sulphur present , with- out actually separating the sulphur and obtaining the metal bodily . Two LESSONS IN GREEK . - No . IX . BY JOHN R. BEARD , D.D. γιγαντος ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acid adjectives adverbs ammonia antimony aorist apparatus arsenic atmosphere barometer body bottle called Cash Account CASSELL'S compound contains Cotton Account dative denotes density direction employed English equal example exercise exterior angle Florence flask force fraction French genitive given glass grave accent gravity greater Greek hence hydrogen inches Italian language Latin latter LESSONS liquid London and Westminster manganese marked means mercury metal motion nitric acid noun object orifice oxygen pá-dre participle particles Perfect Tense piston Pluperfect Tense plural precipitate preposition present pressure pronounced quantity qué-sto remark right angles rocks scale sentence side solution sound straight line student sulphur sulphuret surface syllable Tense thou tion triangle tube ú-na University of Pavia velocity verb vessel vowel weight werde Westminster Bank words würde zinc ας δε εν εστιν ης Οἱ ον ου