 | Institution of Civil Engineers (Great Britain) - 1900 - 472 pages
...diminishing the number of comparisons from 780 to 231. The standards, or "prototypes," were all made of an alloy of 90 per cent. platinum and 10 per cent. iridium. Their shape is that of a cylinder of height equal to its diameter. The density of each standard was... | |
 | Institution of Civil Engineers (Great Britain) - 1900 - 470 pages
...diminishing the number of comparisons from 780 to 231. The standards, or " prototypes," were all made of an alloy of 90 per cent. platinum and 10 per cent. indium. Their shape is that of a cylinder of height equal to its diameter. The density of each standard... | |
 | Ira Remsen - 1901 - 722 pages
...very markedly, and makes it brittle; it, however, increases its resistance to the action of reagents. An alloy of 90 per cent platinum and 10 per cent iridium has been adopted by the French Government as the best material from which to make normal meters. This... | |
 | 1902 - 686 pages
...floor by means of oil cups. The same means are used in insulating the whole building. The anodes are an alloy of 90 per cent. platinum and 10 per cent. iridium, while the cathodes consist of a nickel-iron alloy. Large quantities of hydrogen (about 19,000 cubic... | |
 | 1902 - 694 pages
...floor by means of oil cups. The same means are used in insulating the whole building. The anodes are an alloy of 90 per cent. platinum and 10 per cent. iridium, while the cathodes consist of a nickel-iron alloy. Large quantities of hydrogen (about 19,000 cubic... | |
 | Fridolin Reiser - 1903 - 176 pages
...the principle is that of the thermoelectric pile. Each couple consists of a platinum element and one of an alloy of 90 per cent. platinum and 10 per cent. rhodium, and consists of two wires about 150 cm. long and fused together at one end. They are inserted... | |
 | New Jersey Geological Survey, New Jersey. State Geologist - 1904 - 710 pages
...of a thermopile or thermoelectric couple. This consists of two wires, one of platinum and the other of an alloy of 90 per cent. platinum and 10 per cent rhodium. These two are fastened together at one end, while the two free ends are carried to a galvanometer... | |
 | New Jersey Geological Survey, New Jersey. State Geologist - 1904 - 716 pages
...of a thermopile or thermoelectric couple. This consists of two wires, one of platinum and the other of an alloy of 90 per cent. platinum and 10 per cent rhodium. These two are fastened together at one end, while the two free ends are carried to a galvanometer... | |
 | United States. Bureau of Standards - 1905 - 542 pages
...Archives and with one another. It had been decided as early as 1873 that the new standards should be made of an alloy of 90 per cent platinum and 10 per cent iridium, and that the meters should be line standards of the cross section ' shown in the illustration. Altogether... | |
 | Virginia. Division of Mineral Resources - 1905 - 682 pages
...of a thermopile or thermo-electric couple. This consists of two wires, one of platinum and the other of an alloy of 90 per cent. platinum and 10 per cent. rodium. The two are fastened together at one end, while the two free ends are connected with a galvanometer... | |
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This consists of two wires, one of platinum and the other of an alloy of 90 per cent. platinum and 10 per cent rhodium. 
