Brocklesby, John, 1811-1889. [from old catalog] · New York, Sheldon and company · leaf 173
EXTINCT VOLCANOES OF AUVERGNE, FRANCE. … LUNAR SURFACE AS SEEN THROUGH A TELESCOPE. To face paze 160. moons orbit. 161 dense that the air remaining in a receiver, after exhaus-tion by an air pump of the best construction. Whenever the moon is seen in an unclouded sky herbrightness is always the same, neither speck nor vapordimming the…
Astronomy
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