Instruments & control systems.

v.1 1928; v.2 1929; v.3 1930; v.4 1931; v.5-6 1932-1933; v.7-8 1934-1935; v.9-10 1936-1937; v.11 1938; v.12 1939; v.13 1940; v.14 1941; v.15 1942; v.16 1943; v.17 1944; v.18 1945; v.19 1946; v.20 1947; v.21 1948; v.22 1949; v.23 1950; v.24 1951; v.25 1952; v.27 1954; v.29 1956 Jan-Jun; v.29 1956 Jul-Dec; v.32 1959 Jan-Jun; v.32 1959 Jul-Dec; v.33 1960 July-Dec; v.33 1960 Jan-June; v.35 July-Dec. 1962; v.35 Jan.-June 1962; v.35 1962 Jan-June; v.35 1962 July-Dec; v.36 July-Dec. 1963; v.36 Jan.-June 1963; v.36 1963 Jan-June; v.37 1964 July-Sept; v.37 1964 Oct-Dec; v.37 July-Dec. 1967; v.42 1969 July-Dec; v.43 1970 Jan-June; v.43 1970 July-Dec; v.44 Jan.-June 1971; v.44 1971 JUL-DEC; v.44 1971 Jan-June; v.45 July-Dec. 1972; v.45 Jan.-June 1972; v.45 1972 Jan-June; v.45 1972 July-Dec; v.46 July-Dec. 1973; v.46 Jan.-June 1973; v.46 1973 July-Dec; v.46 1973 Jan.-June; v.47 1974 Jan.-June; v.48 1975; v.49 1976; v.49 1976 Jan.-June; v.49 1976 July-Dec; v.50 1977 Jan.-June; v.50 1977 July-Dec.; v.51 1978 July-Dec.; v.52 1979 July-Dec.; v.52 1979 Jan.-June; v.53 1980 July-Dec.; v.53 1980 Jan.-June; v.54 1981 July-Dec.; v.54 1981 Jan.-June; v.55 1982 July-Dec; v.55 1982 Jan-June; index