A concentrated solution of salt, acetate of soda, Epsom salt, etc., mixed with Dextrine in the cold, and laid on thinly as possible, with a broad, soft brush, and allowed to dry. The paper must be sized first, otherwise the formation of crystals will be irregular, on account of the absorption of the liquid. The coating on glass is rendered adhesive by brushing it with a solution of shellac in alcohol.

Colored glass arranged in this way makes a pretty transparency.

A beautiful adhesive coating of pearly lustre upon paper produces a very handsome card.