Re: ATM quotes from Annals of Science, circa 1853

[mjc5 <mjc5@psu.edu>]

	Fascinating, and thanks, Mel. I'm interested in the several days
approach.

	This brings to mind something from the days when I was actively working
in a darkroom. There were times when I purposely made a highly silver
saturated fixer solution. this was done with way outdated paper and
film. The solutions would sometimes plate out silver on their container.
I thought about trying this on a mirror, but never did.

	- mike -

Mel Bartels wrote:

> Composition for Silvering Glass
> by Hale Thompson and Robert Mellish
> 
> Prepare a mixture of 30 grains ammonia, 60 grains nitrate of silver, 90
> grains spirit of wine, and 90 grains of water.  When the nitrate of
> silver is completely dissolved, filter the liquid and add a small
> quantity of sugar, for example, 15 grains of the grape sugar previously
> dissolved in a mixture of 1 1/2 ounces of water, and 1 1/2 ounces spirit
> of wind.
> 
> For silvering a glass it is sufficient to leave this solution in contact
> with the glass during two or three days. --Civil Engineers and
> Architects Journal