{ "item_title" : "Opticks", "item_author" : [" Isaac Newton "], "item_description" : "Excerpt from Opticks: Or, a Treatise of the Reflections, Refractions, Inflections and Colours of Light This Image or Spectrum P T-was coloured, being red at its leali refracted end T, and vio let at, its molt refracted end'p, and yellow green and blue in the intermediate Spaces. Which ac ees with the firft Propofition, that Lights which differ in Colour do alfo differ in Refrangibility. The length of the Imagein the foregoing Experiments I meafured from. The faintefl and outmofl red at one end, to the faintell and outmoft blue at the otheriend, ex cepting only a little Penumbra, whofe breadth fcarce exceeded a quarter of an Inch, as was faid above. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.", "item_img_path" : "https://covers3.booksamillion.com/covers/bam/1/60/206/506/1602065063_b.jpg", "price_data" : { "retail_price" : "20.99", "online_price" : "20.99", "our_price" : "20.99", "club_price" : "20.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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