Frits Zernike

About 1930, our laboratory had obtained a large concave grating and set it up in a Runge-Paschen mounting.
About 1930, our laboratory had obtained a large concave grating and set it up in a Runge-Paschen mounting.
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These are some quotes by Dutch author Frits Zernike Physicist, who lived between July 16, 1888 and March 10, 1966.