. The London, Edinburgh and Dublin philosophical magazine and journal of science. ?0 8fiTT■£*/?» £/tr?TH source of potential and had equal size openings a and b of4 cms. diameter; C was another plate with a little largeropening c and was separated from A and B by means o£sulphur. G acted as an electrode, and was connected to aquadrant electrometer, a and b were covered with very thinaluminium foils so that the /3-particles could readily passthrough them without suffering much in absorption or re-flexion. The active material attached to a piece of mica oraluminium to absorb the a-rays was place
. The London, Edinburgh and Dublin philosophical magazine and journal of science. ?0 8fiTT■£*/?» £/tr?TH source of potential and had equal size openings a and b of4 cms. diameter; C was another plate with a little largeropening c and was separated from A and B by means o£sulphur. G acted as an electrode, and was connected to aquadrant electrometer, a and b were covered with very thinaluminium foils so that the /3-particles could readily passthrough them without suffering much in absorption or re-flexion. The active material attached to a piece of mica oraluminium to absorb the a-rays was placed at c. The distancebetween A and B was varied from 1 mm. to 1 cm. in orderto see if the change of the solid angle of the issuing rayswithin the present size vessel produced variations in themultiple reflexion. Between 1 mm. and 3 mm. the readingswere concordant, but with a greater distance the ratio forthe multiple reflexion to the initial ionization the smaller distances were used in these experiments. 864 Dr. A. F. Kovarik on the Absorption and Reading
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectscience, bookyear1840
