00725cam a22002411 4500 agr22000346 DLC 20260227110942.0 740719s1921 enka 000 0 eng agr22000346 (OCoLC)951397 DLC ONcM OCoLC DLC premarc QC711 .T55 1921 Thomson, J. J. (Joseph John), 1856-1940. Rays of positive electricity and their application to chemical analyses. 2d ed. London, New York [etc.] Longmans, Green and Co., 1921. x, 237 p. illus. 23 cm. Monographs on physics Canal rays. Electrochemical analysis. 8783 8783