Hilger and Watts Limited
1948 - 1969
1948 - 1969
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1950 - 2000
1949
1904 - 1961
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1912
1949
1953 - 1974
1951
1953
1950 - 1982
1948 - 1969
1950 - 1975
1950 - 2006
1949 - 2003
1952
1949
1948 - 1992
1948
1952
1948 - 1992
1953
1953
1952
1950 - 2007
1950
1948
1948
1948 - 1963
1952
1951
1952
1952
1950
1907
1953 - 1999
1950
1952 - 2009
1949
1948 - 1992
1948 - 1992
1953
1949
1951
1948
1949
1949