Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1750 - 1912 1913 - 1978 1979 - 1986 1987 - 1995 1996 - 2008 electrical engineering English
1750 - 1933 1934 - 1953 1954 - 1959 1960 - 1998 1999 - 2008 chemical engineering English
1750 - 1878 1879 - 1974 1975 - 1984 1985 - 1994 1995 - 2008 civil engineering English
1750 - 1899 1900 - 1980 1981 - 1987 1988 - 1995 1996 - 2008 mechanical engineering English

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