Author's Correction

Abstract

In the article entitled “Scintillation Counter for the Measurement of Radioactivity of Vapors in Conjunction with Gas-Liquid Chromatography,” by G. Popják et al., in the October, 1959, issue, footnote 1 (p. 34) gives 1172 as the type number of the ratemeter specified. Please note that the correct type number is N. 522.