 | American Academy of Arts and Sciences - 1907 - 1010 páginas
...twelve-foot concave grating. In hydrogen at atmospheric pressure its appearance is shown by spectra /and A, the fluted appearance being very marked. In a high...solid it is placed in the iron tube, one end of which J p I Li FIGURE A. has been previously closed with a small piece of plate glass cemented on with sealing-wax.... | |
 | 1905 - 784 páginas
...Fig. 1. slip easilv through the hollow cores of the electromagnet, from which the conical pole-piece* have been removed, is procured. A short piece of small...into one end, through which the tube is exhausted. It has been found that a good vacuum is essential, all trace of the rotation disappearing in hydrogen... | |
 | Robert Williams Wood - 1905 - 592 páginas
...such diameter as to permit of its being slipped easily through the hollowcores of the electro-magnet is procured. A short piece of small brass tubing is...into one end, through which the tube is exhausted. The ends are closed with small pieces of plate glass cemented on with sealing-wax. The arrangement... | |
 | 1907 - 876 páginas
...showing this rotatory power, however. The arrangement of the apparatus for showing the bright- line magnetic spectrum of sodium is shown in Figure A....solid it is placed in the iron tube, one end of which 1 M y C? FIGURE A. has been previously closed with a small piece of plate glass cemented on with sealing-wax.... | |
 | American Academy of Arts and Sciences - 1907 - 994 páginas
...spectrum of sodium is shown in Figure A. A piece of thin seamless steel tubing of such a diameter an to slip easily through the hollow cores of the electromagnet,...solid it is placed in the iron tube, one end of which FlOUBE A. has been previously closed with a small piece of plate glass cemented on with sealing-wax.... | |
 | Institute of Physics and the Physical Society - 1907 - 736 páginas
...for showing the brightline magnetic spectrum of sodium is shown in fig. 1. Fig. 1. »-*«*a"ii;vr.v:: A piece of thin seamless steel tubing of such a diameter...solid it is placed in the iron tube, one end of which has been previously closed with a small piece of plate glass cemented on with sealingwax. The tube... | |
 | Institute of Physics and the Physical Society - 1905 - 912 páginas
...from that obtained when glass tubes were used. The arrangement of the apparatus is shown in fig. 1. A piece of thin seamless steel tubing of such a diameter...into one end, through which the tube is exhausted. It has been found that a good vacuum is essential, all trace of the rotation disappearing in hydrogen... | |
 | 1906 - 860 páginas
...spectrum of sodium is shown in fig. 1. Fig. 1. A piece of thin seamless steel tubing of such a diameter ns to slip easily through the hollow cores of the electromagnet,...solid it is placed in the iron tube, one end of which bas been previously closed with a small piece of plate glass cemented on with sealingwax. The tube... | |
 | Sir Norman Lockyer - 1905 - 714 páginas
...strength within the steel tube did not differ greatly from that obtained when glass tubes were used. A short piece of small brass tubing is brazed into one end of the steel tube, through which the steel tube is exhausted. A good vacuum is essential, all traces... | |
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A piece of thin seamless steel tubing of such a diameter as to slip easily through the hollow cores of the electromagnet, from which the conical pole-pieces have been removed, is procured. A short piece of small brass tubing is brazed into one end, through... 