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2781329 The Heliostat (engraving) by English School, (19th century); Private Collection; (add.info.: The Heliostat, placed on a shelf outside the window, reflecting the ray of light which passes through a hole in a shutter on to a prism, to show the decomposition of light. Illustration for Cyclopaedic Science Simplified by J H Pepper (Frederick Warne, 1869).); 穢 Look and Learn.
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Creative#:
TOP27465063
Source:
達志影像
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RM
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須由TPG 完整授權
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No
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No
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