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Experiments on the refrangibility of the invisible rays of the sun
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Experiments on the refrangibility of the invisible rays of the sun
Rare Books
487000:0119:41
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Investigation of the powers of the prismatic colours to heat and illuminate objects : with remarks that prove the different refrangibility of radiant heat. To which is added, an inquiry into the method of viewing the sun advantageously, with telescopes of large apertures and high magnifying powers
Rare Books
710125
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Investigation of the powers of the prismatic colours to heat and illuminate objects; : with remarks, that prove the different refrangibility of radiant heat. To which is added, an inquiry into the method of viewing the sun advantageously, with telescopes of large apertures and high magnifying powers
Rare Books
487000:0119:40