Nature, Volume 60Sir Norman Lockyer Macmillan Journals Limited, 1899 - Electronic journals |
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Page 283
... Amperes . FIG . 2. - Curves connecting P.D. and Current for Constant Lengths of Arc . Carbons - Positive , 9 mm . Cored .; Negative , 8 mm . Solid . ( 2 ) When the current is constant and the arc is silent , shortening the arc will make ...
... Amperes . FIG . 2. - Curves connecting P.D. and Current for Constant Lengths of Arc . Carbons - Positive , 9 mm . Cored .; Negative , 8 mm . Solid . ( 2 ) When the current is constant and the arc is silent , shortening the arc will make ...
Page 285
... amperes , ( b ) 12 amperes , ( c ) 20 amperes , ( d ) 30 amperes . .. rente - as if they were all Ach ixis. surface of the crater grows dark for an instant , then brightens in spots , and finally becomes bright again all over . The ...
... amperes , ( b ) 12 amperes , ( c ) 20 amperes , ( d ) 30 amperes . .. rente - as if they were all Ach ixis. surface of the crater grows dark for an instant , then brightens in spots , and finally becomes bright again all over . The ...
Page 303
... amperes , and to have a silent arc burning with a current of 28 amperes , the same carbons being used in each case . The reason of this is obvious . When the arc is normal , the carbon ends and crater have a perfectly definite size and ...
... amperes , and to have a silent arc burning with a current of 28 amperes , the same carbons being used in each case . The reason of this is obvious . When the arc is normal , the carbon ends and crater have a perfectly definite size and ...
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