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PHILOSOPHICAL REFLEXIONS

AND INQUIRIES

Concerning the Virtues of TAR WATER, And divers other Subjects connected together

and arising one from another.

• BY THE : Right Rev. Dr. GEORGE BERKLEY,

Lord Bishop of Cloyne,
And Author of The Minute Philosopher.

nen.

As we have opportunity, let us do good unto all men.

Gal, vi. 10. Hoc opus, hoc ftudium parvi properemus et ampli.

Hora,

LONDON,
Printed for C. Hitch in Pater-nofter:row; and
C. DAVIS, against Gray's-Inn, Holbourn.

MDCCXLIV.
[Price Two Shillings.]

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A CHAIN of

PHILOSOSPHICAL REFLEXIONS

AND .

INQUIRIES, &c.

N OR INTRODUCTION to the following

piece I assure the reader, that nothing could, in my present situation, have in

duced me to be at the pains of writing it, but a firm belief that it would prove a valuable present to the Public. What entertainment soever the reasoning or notional part may afford the mind, I will venture to say, the other part seemeth so surely calculated to do good to the body, that both must be gainers. For if the lute be not well tuned, the musician fails of his harmony. And in our present state, the operations of the mind, so far depend on the right tone or good condition of it's instrument, that any thing which greatly contributes to preserve or recover the health of the body, is well worth the attention of the mind. These considerations have moved me to communicate to the Public the falutary virtues of Tar water; to which I thought myself indispensably obliged, by the duty every man owes to mankind. And, as effects are linked with their causes, my thoughts on this low but useful theme led to far. A 2

ther

ther inquiries, and those on to others remote, perhaps, and speculative, but, I hope, not altogether useless or unentertaining.

1. TN certain parts of America, Tar water is

I made by putting a quart of cold water to a quart of tar, and stirring them well together in a vessel, which is left ftanding till the tar finks to the bottom. A glass of clear water being poured off for a draught is replaced by the same quantity of fresh water, the vessel being shaken and left to stand as before. And this is repeated for every glass; so long as the tar continues to impregnate the water sufficiently, which will appear by the smell and taste. But as this method produceth tar water of different degrees of strength, I chuse to make it in the following manner: Pour a gallon of cold water on a quart of tar, and stir and mix them thoroughly with a ladle or fat stick for the space of three or four minutes, after which the vefsel must stand eight and forty hours that the tar may have time to subside, when the clear water is to be poured off and kept for use, no more being made from the same tar, which may still serve for common purposes.

2. This cold infusion of tar hath been used in some of our colonies, as a preservative or preparative against the small-pox, which foreign practice induced me to try it in my own neighbourhood, when the small pox raged with great violence. And the trial fully answered my expectation : all those, within my knowledge, who took the tar water having either escaped that distemper, or had it very favourably. In one family there was a remarkable instance of seven children, who came all very well through the small-pox, except one young

'child

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