From: "Mel Bartels" 
To: 
Reply-To: "Mel Bartels" 


>>>
I've been finishing a small 4.5" F2 mirror and have detected some
micro ripple. This mirror is being done on a machine. Could some of the
more experienced folks give me some advice!
<<<

Yea you have machine caused zonal ridges - lighten up on the pressure, get
slower acting polishing compound, polish in warmer environment, and feather
the edges of your lap.

Mel Bartels

--- BBBS/NT v4.00 MP