Enquire within upon everything by Robert Kemp Philp

333. Another Method.

Another mode of preventing the ill effects of damp in walls on wall-paper, is to cover the damp part with a varnish formed of naphtha and shellac, in the proportion of 1/4lb. of the latter to a quart of the former. The smell of the mixture is unpleasant, but it wears off in a short time, and the wall is covered with a hard coating utterly impervious to damp, and to which the wall paper can be attached in the usual way.