'Constructing grinding and polishing machines'

Here is something for the advanced amateur telescope makers (atm'ers). A research paper on the above mentioned topic, from the reknowned Smithsonian/NASA Astrophysics Data System (ADS).

http://articles.adsabs.harvard.edu//full/1992JBAA..102..198N/0000198.000.html

Got this from the Yahoo! group on ATM called 'atmgroupindia'. You can join this Yahoo-group. And hope this link is of use to someone planning to construct grinding and polishing machines.