| Description | 4 pages in Latin, with 4 pages of English translation.
Subject: Chemistry
Published in Philosophical Transactions, as 'Brevis narratio de structura et effectu speculorum causticorum parabolicorum à defuncto Dno Hoesen Dresdae elaboratorum, quae nunc a Dno Ehrard, sub arce Dresdensi habitante, possidentur'
Read 19 January 1769 |