Reduce with an equal quantity of water when used.

When the linen or any other portion of the impression is badly solarized, after removing the coating, rinse with water; then pour this upon the surface in the same manner as the gilding solution.

If the solarization be very deep, apply the lamp beneath, and warm the plate a trifle.

Now pour off, and, without rinsing, apply the gilding.

The whole operation must be quickly performed, or the chlorine soon attacks the shades of the picture.
When properly done, however, the solarized parts are restored to a clear, transparent white.
Electro, or Cold Gilding .-- This process I have adopted, and it produces exceedingly beautiful impressions for the stereoscope, adding a great charm to the pleasing effect of that instrument.