Google Books Ngram Viewer

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

1885 - 1925 1926 - 1957 1958 - 1962 1963 - 1986 1987 - 2000 10 microns English
1885 - 1908 1909 - 1939 1940 - 1942 1943 - 1964 1965 - 2000 10 micra English

Run your own experiment! Raw data is available for download here.
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