On Fri, Jun 19, 2009 at 12:46 AM, William Beaty<[email protected]> wrote:
> Polycarbonate is also said to work. Originally discovered in Apollo crew > helmets, Lexan? The material in some eyeglasses. Terry
- [Vo]:Some notes regarding use of CR-39, saving money by cur... Horace Heffner
- Re: [Vo]:Some notes regarding use of CR-39, saving mon... William Beaty
- Re: [Vo]:Some notes regarding use of CR-39, saving... Terry Blanton
- Re: [Vo]:Some notes regarding use of CR-39, saving... Horace Heffner
