Centuries: 18th century - 19th century - 20th century
Decades: 1820s 1830s 1840s 1850s 1860s - 1870s - 1880s 1890s 1900s 1910s 1920s
1874 1875 1876 1877 1878 - 1879 - 1880 1881 1882 1883 1884
Arts, Sciences, Literature and Philosophy
... science are:
The maximum effect that is observed is produced by a causative agent of barely detectable intensity, and the magnitude of the effec ...
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