I have a heap of mirror blanks going free to a good home.
Pickup Lower Blue Mountains or you pay postage costs.
Dia.. Thik Material....... Comments
110mm 17mm Schott - Duran. and 12mm thick tool
148mm 23mm Schott - Duran. *Talen...was 3 off - both faces fine ground flat
152mm 25mm PyrexOfSomeSort *Taken...Concave polished Sag. 0.75mm
152mm 25mm PyrexOfSomeSort *Taken...Convex - was tool for above
200mm 25mm Plate.......... *Taken...2 off
203mm 34mm PyrexOfSomeSort *Taken...Concave roughed Sag. 3.9mm
205mm 37mm PyrexOfSomeSort *Taken...Aluminised Sag. 1.9 = f6.7 Figure undercorrected
PM
if interested, otherwise they are binbound by say Feb. 2016