MAKE A MEME View Large Image Sundial 010.jpg Commemorative sundial pamphlet eighth and ninth pages featuring images of the sundial's dial face left and gnomons and analemma right National Institute of Standards and Technology National Institute of Standards and ...
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Keywords: Sundial 010.jpg Commemorative sundial pamphlet eighth and ninth pages featuring images of the sundial's dial face left and gnomons and analemma right National Institute of Standards and Technology National Institute of Standards and Technology PD-USGov-NIST PD-USGov Sundial on the NBS campus Washington D C
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