bons, ferric oxides, etc.; that is, paint made from inert pigments. Red-lead paint forms the best foundation. No one builds a stone house upon a wood foundation, but may build a wooden house upon a stone foundation.

Unfortunately, or otherwise, the cost of red lead, its great specific gravity, or weight, the great fatigue attendant upon its proper application, the improbability of getting an even coating on the surface, its tendency to fatten or set, the trouble of mixing the dry pigment with the oil, its rapid settling when so mixed, and its poisonous nature, have prevented its adoption where its virtues have been acknowledged. False ideas of economy have too often been responsible for unwise attempts to preserve valuable structures with coverings made of inferior materials, the  only  logical  conclusion, that