mineral pitch

Asphalt, or Asphaltum, the most common variety of bitumen; also called mineral pitch.

Professor Wright of Yale has used a hard mineral pitch as a cement in vacuum work with success.

Vegetable or mineral pitch, applied hot with a brush, as in making tarpauling for covering goods in ships.

The dull coal is called bituminous, because it contains more bitumen or mineral pitch.

Bitumen, or mineral pitch, was regularly applied to this purpose, even by Elizabethan seamen.