How to use asphaltum in a sentence
According to others, asphaltum consists almost entirely of asphaltene.
I found, in examining the mineralogy of the coast, masses of detached limestone, containing fissures filled with asphaltum.Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 | Henry Rowe Schoolcraft
Asphalt, or asphaltum, the most common variety of bitumen; also called mineral pitch.
asphaltum, for instance, besides that it is a changeable and never thoroughly drying pigment, is too transparent for depth.
A good blacking for boilers and smokestacks is asphaltum dissolved in turpentine.Farm Engines and How to Run Them | James H. Stephenson