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The^Bob: Fraunhofer in Garching
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The^Bob: Fraunhofer prisms, natural colour
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The^Bob: Fraunhofer prisms
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The^Bob: Fraunhofer spectroscope
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The^Bob: Fraunhofer 163mm objective
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The^Bob: Utzschneider& Fraunhofer busts in Munich
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The^Bob: Utzscheider & Fraunhofer telescope signature
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The^Bob: Fraunhofer telescope
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The^Bob: Sandro's assessment
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The^Bob: Fraunhofer furnace cap
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The^Bob: Josef Fraunhofer
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The^Bob: Catherine & Didier
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The^Bob: Fraunhofer instruments glass
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The^Bob: Josef Fraunhofer's grave
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The^Bob: Josef Fraunhofer's gravestone
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The^Bob: Fraunhofer_GH_1
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The^Bob: Home_of_spectroscopy
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The^Bob: Fraunhofer_protection
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The^Bob: Fraunhofer_stuff
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The^Bob: HISTOR_EMERITI
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The^Bob: ELT_enclosure_opener
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The^Bob: Fraunhofer glass prism lens
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The^Bob: Fraunhofer_glass_factory_Benediktbeuern
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The^Bob: Fraunhofer
The^Bob: Flash_Fraunhofer spectra
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The^Bob: Benediktbeuern_Sep10_2
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The^Bob: Benediktbeuern_Sep10
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The^Bob: Benediktbeuern_textilmarkt
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The^Bob: Sky spectra, relative radiance measurements
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The^Bob: The colours of the daytime sky