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- Happiness
Turning in the direction of the scream
Another considera
ISBN13: 9780156007535
Making Your Own Telescope Michael Hacker - HappinessComplete, detailed instructions and numerous diagrams for constructing a do it yourself telescope. No complicated mathematics are involved, and no prior knowledge of optics or astronomy is needed to follow the text's step by step directions. Contents cover, among other topics, materials and equipment; tube parts and alignment; eyepieces, and related problems; setting circles; and optical principles. 6 plates. 100 figures. Author: Allyn J. Thompson,
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