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Books by Ken M. Harrison
4 books
Grating Spectroscopes and How to Use Them (The Patrick Moore Practical Astronomy Series Book 4)
Ken M. Harrison
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Grating Spectroscopes and How to Use Them
Ken M. Harrison
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Astronomical Spectroscopy for Amateurs (The Patrick Moore Practical Astronomy Series)
Ken M. Harrison
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Astronomical Spectroscopy for Amateurs
Ken M. Harrison
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