 ... .and that even when the most favourable conditions are selected, and the intensity of current and the length of the arc are maintained constant, it is difficult to obtain consistent results, variations of over 5 per cent, being by no means unfrequent....  The American Journal of Science - Page 2951900Full view - About this book
 | Institution of Civil Engineers (Great Britain) - Civil engineering - 1900 - 572 pages
...silent arc is about 147 candle-power per square millimetre; .and that even when the most favourable conditions are selected, and the intensity of current...therefore, possess the qualities required of a standard. Incidentally the experiments made confirm the theory that the crater of the arc is at the temperature... | |
 | Royal Society (Great Britain) - Electronic journals - 1900 - 600 pages
...crater of a silent arc is about 147 candle power per square millimetre. 2. Even when the most favourable conditions are selected, and the intensity of current...therefore, possess the qualities required of a standard. 1 Current density in amperes per sq. mm. of crosssectional area of Intrinsic brilliancy of the crater... | |
 | Royal Society (Great Britain) - Electronic journals - 1900 - 600 pages
...crater of a silent arc is about 147 candle power per square millimetre. 2. Even when the most favourable conditions are selected, and the intensity of current...therefore, possess the qualities required of a standard. Current density in amperes per sq. mm. of crosssectional area of Intrinsic brilliancy of the crater... | |
 | Institution of Civil Engineers (Great Britain) - Civil engineering - 1900 - 564 pages
...silent arc is about 147 candle-power per square millimetre; and that even when the most favourable conditions are selected, and the intensity of current...the arc does not, therefore, possess the qualities required1 of a standard. Incidentally the experiments made confirm the theory that the crater of the... | |
 | Institution of Civil Engineers (Great Britain) - Civil engineering - 1900 - 570 pages
...silent arc is about 147 candle-power per square millimetre; and that even when the most favourable conditions are selected, and the intensity of current...being by no means unfrequent. The crater of the arc docs not, therefore, possess the qualities required of a standard. Incidentally the experiments made... | |
 | Institution of Civil Engineers (Great Britain) - Civil engineering - 1900 - 690 pages
...silent arc is about 147 candle-power per square millimetre; and that even when the most favourable conditions are selected, and the intensity of current...results, variations of over 5 per cent, being by no means unl'requent. The crater of the arc docs not, therefore, possess the qualities required of a standard.... | |
 | Royal Society (Great Britain) - Electronic journals - 1900 - 596 pages
...crater of a silent arc is about 147 candle power per square millimetre. 2. Even when the most favourable conditions are selected, and the intensity of current...consistent results, variations of over 5 per cent. Iwing by no means unfrequent. The crater of the arc does not, therefore, possess the qualities required... | |
| |
