La difusión de gases y líquidos a través de experimentos aliadas . Además, en este caso la fuerte screwss bordes afilados y similares en otros lugares como en los discos cc, dd, etc., son inadmis-sible. Sin bordes redondeados y un tornillo redondeado, la dis-turbances secundario debido a vientos eléctrica interfieren con la interpretación de themeasurements y el aparato no tendrá un alto potencial. Todo el disco partsexcept cc son, por supuesto, poner a masa, y la posible inducción betweencc y otros conductores excepto dd debe ser vigilado escrupulosamente en contra. Por último, la fig. 12 muestra una alternativa consistente de flotación

• Colaborador/a: The Reading Room / Alamy Foto de stock
• ID de la imagen: 2AJBTHG
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The diffusion of gases through liquids and allied experiments . Furthermore, in this case the sharp screwss and similar sharp edges elsewhere as in the disks cc, dd, etc., are inadmis-sible. Without rounded edges and a rounded screw, the secondary dis-turbances due to electric winds interfere with the interpretation of themeasurements and the apparatus will not take a high potential. All partsexcept the disk cc are of course put to earth, and possible induction betweencc and other conductors except dd must be scrupulously guarded against. Finally, fig. 12 shows an alternative float consisting of the disk e corre-sponding to fig. 11 A, the tube // passing the preferably conical capsule ppabout 1.5 cm. high and 5 cm. in diameter, of thin brass hermetically sealed.The tube // is prolonged below by the solid brass rod n or sinker. Whenplaced in the cup, fig. 11 a, or in a similar vessel, the water level is at wwand may be adjusted by dropping small weights down the tube //. Thesame method, fig. 13, is used for placing this level. The whole arrangement. Fig. 12.—Hydro-meter and diskcarried by air-chamber. Fig. 13.—Com-pression screwfor adjustinglevels. 42 THS DIFFUSION OF GASES THROUGH weighs about 35 grams, including disk and sinker. The essential part isthe tube// of copper about 0.5 cm. in diameter. This float is not intendedto rise and fall as in the case of fig. 11 a, but to move to a definite levelunder the influence of the electrical forces of the condenser. Water has been referred to as the liquid charge of the apparatus. It hasan advantage, inasmuch as the whole of the lower half of the condenser maybe earthed and the guard ring and disk are necessarily at the same potential.It has the very serious disadvantage, however, that large capillary forcesare involved, particularly in case of the wide stem of fig. 11 a. Hence acharge of kerosene oil or even of the heavier clear paraffin oil is preferable. In cases where the disk e in its uncharged position is to be