FOLLOWING ARE SOME USEFUL LINKS:

for how to make telescope:
http://www.stellafane.com/atm/atm_main.htm
http://nav.to/bobmay
http://www.efn.org/~mbartels/tm/tm.html
http://www.starastronomy.org/TelescopeMaking/Links/index.html

About barlow :
http://www.atmsite.org/contrib/Carlin/barlow/

about counter balancing :
http://www.astrosurf.com/altaz/astatic.htm
 
for couder screen calculation (zone and radiis)
http://www.atmsite.org/contrib/Carlin/couder/

for diagonal dimensions (newtonian)
http://megspace.com/science/sfe/i_en_dia.html
http://www.catseyecollimation.com/scopcalc.html

 for making fibre tubes :
 

Article on Focault (mirror testing) :
http://www.atmsite.org/contrib/Harbour/Foucault.html (understand focault test) http://www.jlc.net/~force5/Astro/ATM/Foucault/FoucaultTester.html http://www.greatplainsinstruments.com/

for identifying unknown optical glass - checking striae and tension :
 http://www.stellafane.com/atm/atm_main.htm

for making Lurie Houghton Telescope
http://members.cox.net/rmscott/lh_scope/index.html

for mirror making:
http://www.stellafane.com/atm/atm_main.htm
http://www.turbofast.com.au/astrotel/index.html

for mirror making machine :
http://www.turbofast.com.au/astrotel/index.html
http://www.oblivion.net/~astro/mirror/
http://www.mirror-o-matic.com/

for making refractor telescopes :
http://www.atmsite.org/ProjectsArticles/MakingOptics/refractor/ceragioli/Refrfigure.htm
 
About Ronchi Bands:
http://members.aol.com/RonWin20/download.html
http://bobmay.astronomy.net/misc/ronchitester.htm

for downloading ronchi program :
http://www.physics.usyd.edu.au/~ptitze/aa/index2.html

for mirror testing :
http://home.netcom.com/~mpeck1/astro/foucault/1.htm

About Wire Test :
http://wyant.optics.arizona.edu/WireSeidel/WireSeidel.htm
http://hometown.aol.com/julesfran/index.html

Fringe testing secondary with cheap laser
http://www.mindspring.com/~tlepage/

for making tile tools:
http://www.kupercontrols.com/tiletool.htm
 
Free 2D CAD STD program
http://perso.wanadoo.fr/rleboite/minos.htm

Optics software links :
http://www.astunit.com/software/atmprog.htm
http://www.opticsnotes.com/
 http://www.minerals.sk.ca/atm_design/links.html
ftp://ftp.halcyon.com/pub/users/burrjaw/diffract.zip
http://lambdares.com  (OSLO Edu)

Optical calculator :

Getting started in Astronomy:
http://skyandtelescope.com/howto/basics/article_1100_1.asp

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