Journal of the Society of Arts, 2. kötetSociety of Arts, 1854 |
Részletek a könyvből
22. oldal
... England as in Australia or California . Professor TENNANT said , it was very necessary , in dis- cussing this question , to distinguish between quartz and gossan . Gossan was decomposed rock , and of course might be reduced at a very ...
... England as in Australia or California . Professor TENNANT said , it was very necessary , in dis- cussing this question , to distinguish between quartz and gossan . Gossan was decomposed rock , and of course might be reduced at a very ...
41. oldal
... England . I have now only to wait for the decision of H. M. Go- vernment . I am , Sir , your obedient servant , TRELAWNY SAUNDERS , F.R.G.S. GOLD CRUSHING AND WASHING . SIR , -Having read in the last number of your Journal a paper , by ...
... England . I have now only to wait for the decision of H. M. Go- vernment . I am , Sir , your obedient servant , TRELAWNY SAUNDERS , F.R.G.S. GOLD CRUSHING AND WASHING . SIR , -Having read in the last number of your Journal a paper , by ...
55. oldal
... England tremely hard and tough , but was ground to a very fine powder . The amalgam being obtained from the mercury and reduced , yielded 2 oz . 11 dwts . 21 gr . of gold , whose fineness was 20 carats 34 grs . , equivalent to 4oz . 4 ...
... England tremely hard and tough , but was ground to a very fine powder . The amalgam being obtained from the mercury and reduced , yielded 2 oz . 11 dwts . 21 gr . of gold , whose fineness was 20 carats 34 grs . , equivalent to 4oz . 4 ...
89. oldal
... England : - GUANO SUBSTITUTE PRIZE . " I - TERMS OF THE PRIZE : -Proposed by Mr. Fisher Hobbs , seconded by Colonel Challoner , and unanimously adopted by the Council on the 7th of July , 1852 , subject to such conditions as the Council ...
... England : - GUANO SUBSTITUTE PRIZE . " I - TERMS OF THE PRIZE : -Proposed by Mr. Fisher Hobbs , seconded by Colonel Challoner , and unanimously adopted by the Council on the 7th of July , 1852 , subject to such conditions as the Council ...
131. oldal
... England ; 11 coke , 32,002,768 Vienna cwt . coal , 3,024,804 from Belgium ; coke , 267,893 Vienna cwt . pig iron from England ; 471,714 Vienna cwt . pig iron from Belgium ; ,, 99 steel , 32,875 Vienna cwt . bar iron , 4,821 from England ...
... England ; 11 coke , 32,002,768 Vienna cwt . coal , 3,024,804 from Belgium ; coke , 267,893 Vienna cwt . pig iron from England ; 471,714 Vienna cwt . pig iron from Belgium ; ,, 99 steel , 32,875 Vienna cwt . bar iron , 4,821 from England ...
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ammonia apparatus appears application Assam attention Australia better Birmingham boilers Britannia metal cent Charles classes coal colour combinations Committee communication cotton Council D. K. Clark Dated Edward effect employed employers engines England Exhibition exist fabrics facture fibre fish flax flesh-formers furnace George gold gossan guano gutta percha heat Henry important improvements inches increased India invention inventor iron James John labour lamp lecture linen Literary and Scientific Liverpool London Inst machine machinery manu manufacture manure matter means Mechanics Mechi meeting ments metal mills mind object obtained operation opinion paper patent laws persons present principle printing produced profits Prussia purpose quantity quartz question railway result Royal Scientific Institution Scotland smoke Society of Arts specimens steam street substances supply Thomas tion trade vessels wages whilst William wool workmen Zealand Flax