SOURCE: How I built Reflector Telescope at Home.
There are a number of books on the subject; "How to make a telescope" by Texerau, "Standard handbook for Telescope Making" and others. Try William Bell for a selection of books.
SOURCE: Looking for a manual for a model 78-4678 reflector
Here is the Bushnell manual and warranty web site:
http://www.opticsplanet.net/bushnell-warranty.html
SOURCE: 76mm reflector telescope assembly instructions
All of the Bushnell manuals are located on this web site. Look down the page for your telescope.
http://www.opticsplanet.net/bushnell-warranty.html
You may also want to read this article:
http://www.cloudynights.com/item.php?item_id=810
SOURCE: Telescope parts
Here is the warranty and repair web site for Bushnell telescopes:
http://www.opticsplanet.net/bushnell-warranty.html
Call them for assistance.
SOURCE: i just want to view a manual on line. The manual
http://bushnell.com/manuals/telescopes/NorthStar788840_788850_788890_788831_788846_2010Revised5LIM_web.pdf
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