 | Royal Society (Great Britain) - Electronic journals - 1892 - 626 pages
...air can pass when the cork is pushed into the tube. Pass the zinc rod about 1 cm. through the cork. Clean the glass tube and platinum wire carefully,...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... | |
 | Electrical engineering - 1891 - 680 pages
...air can pass when the cork is pushed into the tube. Pass the zinc rod about 1 cm. through the cork. Clean the glass tube and platinum wire carefully,...platinum red hot, and insert it in the mercury in the tast tube, taking care that the whole of the exposed platinum is covered. Snake up the paste, and introduce... | |
 | British Association for the Advancement of Science - Science - 1892 - 1258 pages
...air can pass when the cork is pushed into the tube. Pass the zinc rod abont 1 cm. through the cork. Clean the glass tube and platinum wire carefully,...test tube, taking care that the whole of the exposed platinnm is covered. Shake up the paste and introduce it without contact with the upper part of the... | |
 | Royal Society (Great Britain) - Electronic journals - 1892 - 612 pages
...air can pass when the cork is pushed into the tube. Pass the zinc rod about 1 cm. through the cork. Clean the glass tube and platinum wire carefully,...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... | |
 | American Institute of Electrical Engineers - Electric engineering - 1893 - 780 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... | |
 | Electric engineering - 1893
...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... | |
 | Electrical engineering - 1893 - 630 pages
...to soak in water for some hours before use. Pass the zinc rod about one centimetre through the cork. Clean the glass tube and platinum wire carefully, then heat the exposed end of the platinum red-hot and insert il in the mercury in the test tube, taking care that the whole of the exposed platinum... | |
 | British Association for the Advancement of Science - Science - 1894 - 1204 pages
...when tlio 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...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... | |
 | British Association for the Advancement of Science - Science - 1894 - 1104 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...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... | |
 | Silvanus Phillips Thompson - Electric power - 1894 - 668 pages
...end forms the terminal, the other end and a portion of the glass tube dip into the mercury. Clean ihe glass tube and platinum wire carefully, then heat...in the test tube, taking care that the whole of the eX,/oseof platinum is covered. Shake up the paste and introduce it without contact with the upper part... | |
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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... 
