Foreign Vegetables. 119 
The thick, black and foetid Oil, is either dif- 
folved in Spirit of Wine and filtred through Cap- 
Paper, and fo put by ; or is mixed with a triple 
Quantity of common Salt calcined and powdered, 
and being diltilled from a Glafs- Retort in a Sand- 
Heat, comes over more fluid, red and lefs foetid, 
and fo is preferved for Ufe. 
Another eflential Oil, which is tranfparent and 
not foetid, is drawn from Guaiacum thus. 
Take of the Shavings of Guaiacum jffeiv. Sea- 
Salt foj. common Water thxxiv. Let them 
macerate together in a clofe Veflfel for two 
or three Months. Afterwards diftil with a 
flrong Fire in an Alembick with a Refrigera- 
tory •, and thus will be drawn off* a turbid 
Water loaded with an eflential Oil, which gra- 
dually fubfldes to the Bottom. When the 
Water is quite clear, decant it, and the yel- 
low, odorous, pellucid Oil, remaining in the 
Bottom of the VeflTel, is called the eflential 
Oil of Guaiacum. 
Take Ethiops Mineral and prepared Wood-lice 
a ^iv. the diftilled Oils of Amber and Guai- 
acum a 3fs. Gum Ammoniack reduced to Pow- 
der 3j. Mix, and with q. f. of any proper 
Syrup, make an Eledluary for cancerous Tu- 
mours. 
The Spirit of Guaiacum provokes Sweat and 
Urine. It is given from jj. to §fs. in a Deco&ion 
of the Wood, againfl Catarrhs, rheumatick Pains, 
and Palfles : Sometimes alfo it is joined with Su- 
doriflcks and Alexipharmacks, and is commended 
in peftilential and malignant Fevers. 
The black Oil is feldom given inwardly, by 
Reafon of its foetid Smell. Externally applied it 
I 4 powerfully 
