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After a pause of a few beats he says, “It’s caused by a cresol compound used by a manufacturer.”

This one is composed of a long chain of small ring-containing compounds called cresol groups strung together in a polymer.

Cr�sylite is a French explosive, and contains picric acid and nitrated cresol.

The crude cresol obtained from tar cannot be separated into its different constituents by fractional distillation, since the boiling points of the three isomers are very close together.

Treatment.—Treatment consists in making incisions into the swellings and syringing them out with 2 per cent compound cresol solution.