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Re: ATM Beginner: dictionary pse
hogging: removing glass to get the concave courve (rough grinding stage)
ROC: Radius of Curvature. For mirrrors = 2* focal length
TOT: Grinding or polishing with Tool On TOP (opposite is MOT= Mirror On TOP)
COC: Working Center over Center
TDE: Turnded Down Edge
KE: Knife edge (Foucault)
BFL: ? don't know either
p.s.
You guys at La Palma must have nice observing conditions
Stathis Kafalis
http://www.geocities.com/dobsonstathis