> My Bad,
>
> Hey Bob your right!
>
> Rashad
But to be fair, when I think of bronze, I think of shields, not mirrors!
<grin>
So when did these Great Folk start experimenting with glass? Jane?
...Bob...
> > Hi
> > I hate to mention this but Bronze is an alloy of Tin and
> Copper. Hence
> > Bob Cz's reply.
> >
> > ---------
> > Phil Chambers [ptchamb@No-Spam] (S.F. Bay Area - Calif. USA)
> >
> > On Sat, 26 Apr 2003, Rashad Al-Mansour wrote:
> >
> > > I was surprised to read this:
> > >
> > > The passage below is from a bio I found on Herschel.
> > >
> > > "At the end of the Seven Years war, William Herschel came
> to live in
> England
> > > and found work firstly in London as a copyist and then in
> Durham as a
> > > teacher. At the same time, he continued his linguistic,
> mathematical and
> > > astronomical studies and also polished the first bronze
> mirrors that he
> was
> > > to use in his first telescopes."
> > >
> > > Just imagine, cleaning your mirror meant that you also
> had to re-figure
> it!
> > >
> > >
> > > ----- Original Message -----
> > > From: "Bob Czerwinski" <bczerwin@No-Spam>
> > > To: "'The Astronomy Connection'" <sf-bay-tac@No-Spam>
> > > Sent: Saturday, April 26, 2003 11:49 AM
> > > Subject: RE: [TAC] Astro Quiz part?
> > >
> > >
> > > > > > Just a guess, based on the material used by Lord Rosse: Tin
> > > > > > and Copper?
> > > >
> > > > > Nope.
> > > >
> > > > Platinum (platina), maybe? That's from about the
> mid-1700s. Pretty
> > > > gray, though.
> > > >
> > > > ..Bob...
> > > >
> > >
> > >
> >
>