A

I06 DlSTILLED OlLS.

OLEUM ANIMALE.

Animal-Oil.

Take of Oil of Hartfliorn one pound.Diflill three times.

R E M A R K.

This Oil, firft introduced, about the beginningof this Century, by Bippelius, (whofe name ithas borne,) when properly prepared, will be limpid,of a fmell not ungrateful, and an aromatic tafle.Model, of PMerßurgh, took fome pains to leffenthe expence, by reducing the fifteen or fixteen rec-tifications, then thought neceflary, to a fmallernumber. He direded the fcetid Oil to be pouredinto a glafs cucurbit with an alembic head, fo asnot to foul the fide of the veflel, and diftilled witha gentle heat; feparating, by a changeof therecei-ver, the limpid oil which firft comes over from themore yellow which follows ; and, in like manner,the fecond from the third. He fays, that, to redi-fy the firft limpid portion, one diftillation with aflow fire is fufficient ; but the later ones commonlyrequire two ; in which the limpid part muft be fe-

parated,