{"product_id":"making-your-own-telescope-book-allyn-thompson-9780933346123","title":"Making Your Own Telescope","description":"A book that has been used with great success by countless amateur astronomers, this volume presents complete and detailed instructions and numerous diagrams showing how to construct 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, which also offer instruction in the fundamentals of practical optics.\u003cb\u003e\u003c\/b\u003eContents: 1. Story of the Telescope. 2. Materials and Equipment. 3. Mirror Grinding. 4. The Pitch Lap. 5. Polishing-Testing-Correcting. 6. The Paraboloid. 7. The Diagonal. 8. Tube Parts-Alignment-The Finder. 9. Eyepieces and Related Problems. 10. The Mounting. 11. Aluminizing and Cleaning. 12. Setting Circles-Equatorial Adjustment. 13. Optical Principles-Atmosphere-Magnitudes. 14. A Second Telescope. Appendixes. Index.","brand":"WoB","offers":[{"title":"US \/ GOOD \/ SBYB","offer_id":50165054406929,"sku":"CIN0933346123G","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":52815026094353,"sku":"GOR005957086","price":31.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/0933346123.jpg?v=1750948260","url":"https:\/\/www.worldofbooks.com\/de-de\/products\/making-your-own-telescope-buch-allyn-j-thompson-9780933346123","provider":"World of Books ","version":"1.0","type":"link"}