A disquisition on medicines that dissolve the stone. In which Dr. Chittick's secret is considered and discovered ... / [Alexander Blackrie].
- Alexander Blackrie
- Date:
- 1766
Licence: Public Domain Mark
Credit: A disquisition on medicines that dissolve the stone. In which Dr. Chittick's secret is considered and discovered ... / [Alexander Blackrie]. Source: Wellcome Collection.
43/136 page 35
![I [ 35 ] cc fire may the fooner burn clear cc on the top, that large cinders, “ and not frefh coals, be placed “ upon the tiles which cover the cc crucibles. <c Thefe powders being thus pre- C€ pared, take the egg-fhell powder of u fix crucibles, and the fnail powder “ of one, mix them together, rub cc them in a mortar, and pafs them thro* cc a cyprefs fieve. This mixture is im- <c mediately to be put into bottles, which €C muft be clofe flopped, and kept in a <c dry place for ufe. I have generally <c added a fmall quantity of fwine’s- cc crefles, burnt to a blacknefs, and <c rubbed fine ; but this was only with <c a view to difguife it. j ic The egg-fhells may be prepared at <c any time of the year; but it is beft cc to do them in fummer. The fnails w_ C 6 ought](https://iiif.wellcomecollection.org/image/b30546382_0043.jp2/full/800%2C/0/default.jpg)


