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Hi,

My grandfather used to resilver the mirrors in his house by cleaning the
back THOROUGHLY, then putting a drop of mercury on the back, and
smearing it about with a silver dime.  This formed a mercury-silver
amalgam, and when it dried, the mirror was good for a while longer.  I
think that he varnished over it after drying, but can't remember.

This makes a second-surface mirror, which may be what you want.  I'm not
at all sure whether this would make a good first-surface mirror.

Grandpa lived to be 92, and was in pretty good health until the day he
kicked the bucket, so I would do this outside, on a windy day, and
wouldn't worry too much about the health effects.

Hope this helps,
Nels


Glendon wrote:

> Hello to List,
>
> The mirrors (rectangular) on my Heath sextant need to be resilvered.
> Does any list member know where I can get that done in Australia,
> preferably on the East coast, near Sydney?
>
> I have also posted this query to the Sextants group, where I am
> possibly more likely to get an answer
>
> Lee Martin

   

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