( 394 ) 
of the Skin laid open for its Difcharge. Now 
here the tepid Bath would only relax the 
Solids more, and encreafe the Difeafe ; but 
the mineral Spirit it is chiefly that incides, 
feparates, and attenuates this grofs Matter, 
and prepares it to be caft off, and the cold 
Bath braces up the Pores afterward. Again ; 
in the Palfy tepid Baths increafe the Relaxa- 
tion, but natural hot Baths do moftly reftore 
the Difeafed ; this can only be owing to that 
intraftable, impalpable, powerfully penetra- 
ting mineral Spirit ; this lets us plainly fee, 
that all the Parts of an human Body, are to 
this Spirit as a Sponge is to warm Water. 
To add no more Proofs of this, all thefe 
Difeafes, in which natural hot Baths are 
found moft efficacious and fuccefsful, and 
indeed in which they rarely fail, are of the 
nervous Tribe ; and the Re&fon of this is, 
becaufe we know of no Medicine fo capable 
to reach and enter thefe fine imperceptible 
delicate Tubes ; but it is indifputable that 
the Spirit of thefe Waters not only enter 
them when drunk, but even by bathing, as 
we fee from their amazing Effects by bath- 
ing only. To fet this Matter in a clear 
Light, take not only any medicinal Prepara- 
tion, but any fix’d Principle impregnating 
mineral Waters, when feparated from them, 
not 
