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2015, ISBN 9780674736917, x, 340 pages, 8 colour plates
Between 1608 and 1610 the canopy of the night sky was ripped open by an object created almost by accident: a cylinder with lenses at both ends.Galileo's... 
Telescopes | History | Astronomical instruments | Astronomy | Galilei, Galileo, 1564-1642 | History of Science & Technology | Europe | Galilei, Galileo, 1564–1642 | 17th century | 1564-1642 | Galilei, Galileo
Book
1991, How it works, ISBN 0531172651, 31
Demonstrates how telescopes operate, from the simplest to the most complex and sophisticated. 
Telescopes
Book
1969, Macmillan sky and telescope library of astronomy, Volume 4, 338
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1967, Volume no. 9094., 192
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1967, Macmillan sky and telescope library of astronomy, Volume 4, xiv, 338 p. illus., ports.
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1967, 191
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1967, 192 p. illus., diagrs.
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1965, ISBN 0817424083, 160
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1956, 2d ed., 100
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