Dry Gas Meter
1994
1994
1923
1994
1969
1864-1900
1970
1934
1926
1975
circa 1930
1898
1850-1900
1969
1924
1910
1983
1974
1933
1895
1927
1971
1900-1925
1985
1962
1975
1962
1936
1875-1990
1977
1870
1959
1926
1971
1978
1950
1864
1967
1965
1961
1959
1976
1938
1968
circa 1900