Decades: 1850s 1860s 1870s 1880s 1890s - 1900s - 1910s 1920s 1930s 1940s 1950s
Years: 1902 1903 1904 1905 1906 - 1907 - 1908 1909 1910 1911 1912
Art, Culture & Fashion
... uses hollow globes machined from piezoelectric matierals such as quartz. The electrodes to start and sense the waves are evaporated directly onto the quartz.
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