An authentic narrative of the success of tar water, in curing a great number and variety of distempers; with remarks ... Carefully abridged / To which are subjoined, two letters from the author of Siris: shewing the medicinal properties of tar water, and the best manner of making it.

  • Thomas Prior
Date:
1793
Catalogue details

Licence: Public Domain Mark

Credit: An authentic narrative of the success of tar water, in curing a great number and variety of distempers; with remarks ... Carefully abridged / To which are subjoined, two letters from the author of Siris: shewing the medicinal properties of tar water, and the best manner of making it. Source: Wellcome Collection.

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    * BP. clog okt Dany Ole Our Gens. ; ‘¥, . . Bi ith i } 10S ae DP est Containing the moft material extradis from two trads written by thofe learned Philofopbers, Dr. Srepuzn Hauss, fellow of the Royal Society, and A, Reip,. E/q; printed at Lon- sr Recto a ser es Roabers aro oes ter 7 SHE firft tract is intithed—“*4n account of fome Experiments and Ob- ¥ “Jervations on Tarwater ; avhertin is foewn the quantity of Tar that is therein: which was read before the Royal Society. Therein thé Dr. fays, ‘* That having made Taravater in proportion of a gallon of water to 4 quart of Sar, ftitring it 4. minutes, and evaporating a pint of faid Tarwater in a Florence-flafk 3 of that_ made with Norway or Savedi/f> Tar, which Was 30 years old, and very thick and ff, there remained at the bottom of the flatk 44 grains of thick, dark, reddifh Tar. of a bitterifh burnt talte; —— “ with common, coarle, ftitf American Tar, 28 grains =~ —— © with fF Var jutt brought from Noravay, 61 grains — © with the o/d Var ftirred balf an hour, 93 grains — —— * with the ¢hinner ‘Lar ftirred 8 minutes, 26 grains = | ‘with 4 feveral parcels of Noraay or Swedifo Tat, not fp Sif, but more foft and oily than the Tar above, and efteemed by the dealers in Tar to be very good (for ropes) only between 5 and 15 grains. [But the Dr. does not fay, how long time elapfed between his firring of the Tar with the water, and his evaporating it: nor docs he afcertain whether thefe Tars were of the jir/?, middle or Jatter runnings from the ‘kiln; in which there is a vaft difference, as the longer it burns, the more pitchy the Tar grows. ] ‘“That.in a pamphletin an/wer to the Bifhop of Cloyne, he finds that on diftilling 22 pounds of belt Norway Tar, there were of | | il tei i ats PO Pom wih * Pounds. Ounces. : Pitch 2 es © ‘12 14. OMe ae 9 13 Acid Spirit - -1 | 25 3 hares * Wings Lot - --- © 25 ” 22 ‘ That the earer made with o/d, fliff, le/s un€uous Tar, feems to tafe fenfibly ftronger of the acid fpirit, than that made with thinner, more une juous Tar: on which account the fiffer would be preferable, were ig not that it communicates too much of its grofér parts alfo to the water, and that the water made with the thinner Tar taites much flronger of /oot or /moke than that made with the tiff Tars. BS, @ ‘© That in filtrating thefe feveral Tarwaters through filtring paper, no Tar nor oily iubitance remained in the paper; not even of that Tarwa- ter which had 93 grains of Tar in a pint: nor were the filtring it
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