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Observations tending to investigate the nature of the sun, in order to find the causes or symptoms of its variable emission of light and heat; : with remarks on the use that may possibly be drawn from solar observations
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Additional observations tending to investigate the symptoms of the variable emission of the light and heat of the sun; : with trials to set aside darkening glasses, by transmitting the solar rays through liquids; and a few remarks to remove objections that might be made against some of the arguments contained in the former paper
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487000:0119:44
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Account of some observations tending to investigate the construction of the heavens
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487000:0119:10
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On the direction and velocity of the motion of the sun, and solar system
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487000:0119:51
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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
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Observations of the transit of Mercury over the disk of the Sun; : to which is added, an investigation of the causes which often prevent the proper actions of mirrors
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487000:0119:47