A treatise of the nature and use of the bitter purging salt. Easily known from all counterfeits by its bitter taste / Written originally in Latin ... And now published in English, by Joseph Bridges. With animadversions of a late corrupt translation publish'd by Francis Moult.

  • Grew, Nehemiah, 1641-1712
Date:
1697
Catalogue details

Licence: Public Domain Mark

Credit: A treatise of the nature and use of the bitter purging salt. Easily known from all counterfeits by its bitter taste / Written originally in Latin ... And now published in English, by Joseph Bridges. With animadversions of a late corrupt translation publish'd by Francis Moult. Source: Wellcome Collection.

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    ded Lambs-Conduit-Water ; by pouring upon ic a | tittle Lime-water, prefently grows whitifh, with a kind of grcy Coagulum, as doth the Purging Water. BoctWater impregnated with the Calx of the Purging Salt, maketh the faid Lambs-Con- duit-Water nothing muddy, nor colour d, but it continues altogether as clear, as when it was unmixed. Fair Water being impregnated with the bitter Purging Salt, and then evaporated, yields the fame Salt again in Quantity and Quality, moft entire. Contrariwile, the Salt of Lime-Water, evaporated in the fame manner,is wholly turned into a taftelefs and tony Subitance -}: The Cauíie whereof is, for that the Sait of the Lime-W ater is fo far agreeable, and throughly united to fome C 4 other ILE LILES EI STIS SE MARNE A uu Se conem, + The Salt of Lime is turned into a taftele(s and flony Sub- flance.| From which Experiment may be made this Re- mark, That the reafon why Mortar is fo good a Cement, is becaufe the Salt contained in the Lime, not being diííolved like other Salts, bur hárdned and really petrii’d by the Aer, becomes the Cement of the other parts of the Lime, where- by the whole Mafé is in time converted again into a Stone. And that probably the Mortar which the Romans usd, was harder than that we commonly meet with now adays 5 ci- ther becaufe they made it of fuch Lime as had a greater plenty of this Salt, or by burning it otherwife than is now üfüal, the Salt was laid more open to the Aer; or elfe by pouring upon unflack’d Lime, not common Water, as is now alwaysdone, but Lime-Water ; whereby the Salt, bear- ing a greater proportion to the arth, the whole Mafs might acquire a greater Hardnefs, and ina lefs time, Twere eafy to be tri d.