My Bad,
Hey Bob your right!
Rashad
----- Original Message -----
From: "P T Chambers" <ptchamb@No-Spam>
To: "The Astronomy Connection" <sf-bay-tac@No-Spam>
Sent: Saturday, April 26, 2003 1:20 PM
Subject: Re: [TAC] Astro Quiz part?
> 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...
> > >
> >
> >
>