{"product_id":"making-your-own-telescope-9780486428833","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.\u003cbr\u003e","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":50491775844626,"sku":"9780486428833","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_5e6e60f8-59cb-457a-b121-cf0900650bbd.jpg?v=1730554945","url":"https:\/\/surprise-castle.myshopify.com\/products\/making-your-own-telescope-9780486428833","provider":"Surprise Castle","version":"1.0","type":"link"}