This section is from the book "The Engineer's And Mechanic's Encyclopaedia", by Luke Hebert. Also available from Amazon: Engineer's And Mechanic's Encyclopaedia.
The mineral tallow of Kirwan, said to be found on the coast of Finland, also on the lake Baikal, in Siberia. It resembles wax, and has hence been denominated sea-wax. It is a solid substance, spec. grav. 0.77, white, brittle, stains paper like oil, melts with a moderate heat, and burns with a blue flame and much smoke; dissolves readily in oil, and imperfectly in hot alcohol. The term maltha was likewise applied by the ancients to a species of cement, of which there were two kinds, native and factitious; one of the latter consisted of pitch, wax, plaster, and grease; another (which, it is said, they used in their aqueducts) was made of lime slacked in wine, and incorporated with melted pitch and fresh figs.
 
Continue to: