Radio-Activity

by Ernest Rutherford

[121]. The activity of the radium preparation was not stated in the paper.

[122]. Dorn, Phys. Zeit. 4, No. 18, p. 507, 1903.

[123]. Strutt, Phil. Mag. Nov. 1903.

[124]. Wien, Phys. Zeit. 4, No. 23, p. 624, 1903.

[125]. Dorn, C. R. 130, p. 1129, 1900.

[126]. Becquerel, C. R. 130, p. 809, 1900.

[127]. Kaufmann, Phys. Zeit. 4, No. 1 b, p. 54, 1902.

[128]. Abraham, Phys. Zeit. 4, No. 1 b, p. 57, 1902.

[129]. Kaufmann, Nachrichten d. Ges. d. Wiss. zu Gött., Nov. 8, 1901.

[130]. Simon, Annal. d. Phys. p. 589, 1899.