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Books
Madeira Spectroscopic
Being a Revision of 21 Places in the Red Half of the Solar Visible Spectrum with a Rutherfurd Diffraction Grating, at Madeira ... During the Summer of 1881 »
Being a Revision of 21 Places in the Red Half of the Solar Visible Spectrum with a Rutherfurd Diffraction Grating, at Madeira ... During the Summer of 1881 »
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