tiles


Note:  Do not rely on this information. It is very old.

Helvetia Green

Helvetia Green, also known as Acid Green, a fine green organic dyestuff, derived, like many other colour materials, from triphenyl methane (C6H5)3CH.

“God prevents our being proud of ourselves by the experience of our weakness and corruption, which is manifest by our numberless relapses.”
Fenelon