Letters on Iceland: containing observations on the natural history of the country, antiquities, manners and customs of the inhabitants, &c. &c. Made, during a voyage undertaken in the year 1772, by Sir Joseph Banks, P.R.S. assisted by Dr. Solander, F.R.S. Dr. J. Lind, F.R.S. and several other literary and ingenious gentlemen / written by Uno von Troil ; with notes and additions by the translator. The whole revised and corrected by E. Mendes da Costa.

  • Troil, Uno von, 1746-1803.
Date:
1783
Catalogue details

Licence: Public Domain Mark

Credit: Letters on Iceland: containing observations on the natural history of the country, antiquities, manners and customs of the inhabitants, &c. &c. Made, during a voyage undertaken in the year 1772, by Sir Joseph Banks, P.R.S. assisted by Dr. Solander, F.R.S. Dr. J. Lind, F.R.S. and several other literary and ingenious gentlemen / written by Uno von Troil ; with notes and additions by the translator. The whole revised and corrected by E. Mendes da Costa. Source: Wellcome Collection.

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    f [ 4°^ ] maintains, that filex might be made to afford allum with acid of vitriol after ' it has been dilfolved in liquor fillcum with fal fodae. But when the fufions are made in vellels which contain no argillaceous earth, no allum can be obtained with acid of vitriol, which however may be obtained when the vegetable alkali is kept fluid during a confiderable time in a common cruci- ble, becaufe the alkali diflblves fome part of the veffel itfelf. Pure filiceous earth is intirely indiflbluble by itfelf in acid of vitriol, let it be treated in any manner whatfoever. Let this account of thefe dreadful devaftations be fufllcient. Homo naturas minifter & interpres, tantum facit & intelligit, quantum de natura* ordine, re vel mente obfervave- rit, nec amplius fcit aut poteft. Baco, F I N I S, \