Words of Wisdom:

"shoot for the moon even if you miss you will land amongst the stars" - IMDave357

Telescope

  • Date Submitted: 07/29/2013 02:14 AM
  • Flesch-Kincaid Score: 59.4 
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                        P.N.Shankar 
This small book is intended to help people to make their own small telescope, 
having primary mirror of 150 mm diameter | | CONTENTS 
 
|Glossary of Symbols                                                                                                               |

|1.Introduction                                                                                                                   |


 1.1 Scope 
 1.2 The Newtonian Reflector 
 1.3 Shape of the mirror 
 1.4 Summary of materials required and procedures to be followed 

|2.Mirror Grinding                                                                                                                 |


2.1 Materials 
2.2 Preparations 
2.3 Rough Grinding 
2.4 Chexking the sagitta 
2.5 Finishing rough grinding 
2.6 Fine grinding and smoothing 
2.7 Testing the focal length and the mirror surface 
2.8 Pitfalls during grinding and smoothing 
2.9 Records 
 
|3. Polishing                                                                                                                     |


3.1 Preparing the pitch 
3.2 Preparing the pitch lap (pitch tool) 
3.3 Polishing 
 
|4. Miorror Testing And Aluminizing                                                                                               |


4.1 The Foucault or knife-edge test 
4.2 Interpretation of the Foucault images 
4.3 The fringes and their interpretation 
4.4 Testing procedures and retouching 
4.5 Aluminizing 
 
|5.Telescope Tube, Mirror Cell, Diagonal And Eyepiece                                                                             |


5.1 The telescope tube 
5.2 The mirror cell 
5.3 The diagonal and its holder 
5.4 The eyepiece 
5.5 The eyepiece/diagonal support assembly 
 
|6.Telescope Mounts                                                                                                               |

|7.Collimation And Use...

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