To: 
Reply-To: "Scott Berfield" 


I need (I think) to make a couple of smaller laps as I parabolize my 12"
- one around 6" and around 3". For small laps is it necessary that the
substrate match the mirror curve or can I simply pour a lap on a flat disc
the right size, press it and get going?

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Don't worry about people stealing your ideas. If your ideas are any good,
you'll have to ram them down people's throats.
- Howard Aiken

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