| Description | 'Containing notices of his having made several Observations on the Danube and the Mines and Baths of Hungary, of which he promises Specimens for the Museum, with tenders of his Endeavours to promote the designs of the Royal Society : giving some account of the present State of Learning in Vienna : and inclosing the Observations made by Messrs Einmart and Wuzzelbaur of the late Eclipse. '
Read to t he Royal Society on 6 August 1690 |