is germ and vermin proof. It is as soft in effect and as beautiful in its finish as water color, but in a dozen ways it is prefer- able to every other wall finish ever prepared. Before Keystona Flat Finish —" Nature's Harmony" — was made, there was no such thing as a liquid flat wash- able wall… … 3
Paint · Interior decoration
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
