 | British Association for the Advancement of Science - Science - 1894 - 1272 pages
...to soak in water for some hours before use. Pass the zinc rod about 1 centimetre through the cork. Clean the glass tube and platinum wire carefully, then heat the exposed end of the platinum red-hot, and insert it in the mercury in the test tube, taking care that the whole of the exposed platinum... | |
 | William Edward Ayrton - Electricity - 1897 - 688 pages
...when the cork is pushed into the tube. Wash the cork thoroughly with warm water, and leave it to soak in water for some hours before use. Pass the zinc...platinum red hot, and insert it in the mercury in the test-tube, taking care that the whole of the exposed platinum is covered. Shake up the paste and introduce... | |
 | John Henderson (A.I.E.E.) - Electric measurements - 1898 - 470 pages
...through the cork. " Contact is made with the mercury by means of a platinum wire about No. 22 guage. This is protected from contact with the other materials...platinum red hot, and insert it in the mercury in the test-tube, taking care that the whole of the exposed platinum is covered. Shake up the paste and introduce... | |
 | Sir John Ambrose Fleming - Electric apparatus and appliances - 1902 - 488 pages
...the cell by being sealed into a glass tube. The ends of the wire project from the ends of the glass tube ; one end forms the terminal, the other end and...platinum red hot, and insert it in the mercury in the test-tube, taking care that the whole of the exposed platinum is covered. Shake up the paste and introduce... | |
 | Great Britain - Administrative law - 1904 - 512 pages
...through the cork. Contact is made with the mercury by means of a platinum wire about No. 22 gauge. Tliis is protected from contact with the other materials...taking care that the whole of the exposed platinum is oovea-ed. Shake up the paste and introduce it. without contact with the upper part of the walls of... | |
 | United States. Bureau of Standards - Physics - 1905 - 542 pages
...water, and leave it to soak in water for some hours before use. Pass the zinc rod about 1 centimeter through the cork. Contact is made with the mercury...carefully, then heat the exposed end of the platinum red-hot, and insert it in the mercury in the test tube, taking care that the whole of the exposed platinum... | |
 | John Roberts (Electrical engineer.) - Electric engineering - 1906 - 238 pages
...warm water, and leave it to soak in water for some hours before use. Pass the zinc rod about 1 cm. through the cork. Contact is made with the mercury...carefully, then heat the exposed end of the platinum red-hot, and insert it in the mercury in the test tube, taking care that the whole of the exposed platinum... | |
 | Harry Robert Kempe - Electric measurements - 1908 - 730 pages
...leave it to soak in water for some hours before use. Pass the zinc rod about 1 cm. through the cork. Clean the glass tube and platinum wire carefully, then heat the exposed end of the platinum red-hot, and insert it in the mercury in the test-tube, taking care that the whole of the exposed platinum... | |
 | Carl Hering - 1910 - 810 pages
...and leave it to soak in water some hours before use. Pass the zinc rod about 1 cm. through the cork. Clean the glass tube and platinum wire carefully, then heat the exposed end of the platinum red-hot, and insert it in the mercury in the test-tube, taking care that the whole of the exposed platinum... | |
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... the glass tube which covers the platinum wire ; at the edge of the cork cut a nick through which the air can pass when the cork is pushed into the tube. Wash the cork thoroughly with warm water, and leave it to soak in water for some hours before... 
