Chemist-analyst.

1911-1912,no.2-5; 1913-1914,no.7-8; no.9 1914 Apr.; no.11 1914 Oct.; no.12-23; no.12 1915 Jan.; no.15 1915 Oct.; no.9-17 1914/16; 1914-1916,no.10-17; no.16 1916 Jan.; no.19 1916 Oct.; 1916-1917,no.18-22; no.23 1917 Oct.; v.3-27 1911-1916,1918 Incompl.; no.18-25 1916/18; no.24-33; no.24 1918 Jan.; 1918,no.25; no.26 1918 July; no.27 1918 Oct.; no.28 1919 Jan.; no.29 1919 Apr.; no.30 1920 June 15; no.31 1920 Sept.15; no.26-35 1918/21; 1918-1921,no.27-35; no.32 1921 Jan.15; no.33 1921 Apr.1; no.34-49; no.34 1921 July 1; no.35 1921 Dec.1; no.36 1922 May 1; no.37 1922 Aug.1; no.38 1922 Dec.1; no.39 1923 June 1; no.40 1923 Oct.1; no.41 1924 Feb.1; no.42 1924 May 1; v.31-45 1920-1925; no.36-45 1922/25; 1922-1925,no.37-45; no.43 1925 Jan.1; no.44 1925 Apr.1; no.45 1925 Aug.1; no.46; no.47; no.48 1926 Nov/Dec; 1926-1927; 1926-1927,no.47-49; no.49 1927 Feb/Mar; v.16 no.2 1927 Oct.; v.16:2,v.17:1-4 1927-28; v.17 no.1 1928 Jan.; v.17 no.2 1928 Apr.; v.17 no.3 1928 July; v.17 no.4 1928 Oct.; no.46-49 1926/27 and v.16-18 1927/29; v.46-49 1926-1927, v.17-18 1928-1929; v.18 no.1 1929 Jan.; v.18 no.2 1929 Mar; v.18 no.3 1929 May; v.18 no.5 1929 Sept.; v.18 no.6 1929 Nov.; 1928-1930; v.19 no.1 1930 Jan.; v.19 no.2 1930 Mar.; v.19 no.3 1930 May; v.19 no.4 1930 July; v.19 no.5 1930 Sept; v.16-20 inc. 1927-1931; v.19-20 1930-1931; v.20 no.1 1931 Jan.; v.20 no.2 1931 Mar; v.20 no.3 1931 May; v.20 no.4 1931 July; v.20 no.5 1931 Sept; v.20 no.6 1931 Nov.; v.19-21 1930-32; v.21 1932; v.21 no.1 1932 Jan.; v.21 no.2 1932 Mar.; v.21 no.3 1932 May; v.21 no.4 1932 July; v.21 no.5 1932 Sept.; v.21 no.6 1932 Nov.; v.22 no.1 1933 Jan.; v.22 no.2 1933 Mar.; v.22,no.2-4 1933; v.22 no.3 1933 July; v.22 no.4 1933 Oct.; v.23 no.1 1934 Jan.; v.23 no.2 1934 Apr.; v.23 no.3 1934 July; v.23 no.4 1934 Oct.; 1932-1935; v.24 no.1 1935 Jan.; v.24 no.2 1935 Apr.; v.24 no.3 1935 July; v.24 no.4 1935 Nov.; v.22-25 1933-36; v.23-25 1934-1936; v.25 no.1 1936 Jan.; v.25 no.2 1936 Apr.; v.25 no.3 1936 July; v.25 no.4 1936 Oct.; 1932-1937; v.26 no.1 1937 Jan.; v.26 n