But who invented the process? And does that person actually hold a patent for it? An Old-Timey Recipe for Patent Leather An ...

The varnish is composed of one pound of either asphalte, Prussian blue, or fine ivory black, ten pounds of thick copal varnish, twenty pounds of the linseed oil prepared as before described, (by ...

When this transparent coating is dry, it is rubbed smooth with pumice stone, and a hard varnish put on the top—copal varnish is employed for light colors, and asphalt varnish for black glazed cloth.

“The boom in copal varnish came at the end of the 19th century when the middle class began to emerge in the United States and Europe,” Brazilian researcher João José Lopes Corrêa, ...

Copal is typically burned on charcoal. Using a cauldron or another surface that can safely be heated, like a rock, sand, or shell, place a charcoal tab on top, light it, and let it turn gray.

Copal remains an important component of El Dia De Los Muertos in Mexico. During October the demand for copal skyrockets to burn at home altars or upon family graves at night.

The most famous dictum of this creed - that the object of government should be to secure the greatest happiness for the greatest number - is, to anybody who bothers to ponder it, a truly rotten idea.