Paper, regarding a theory of the size of the Earth by unknown author Includes diagrams in notes taken from a section on measuring the size of the Earth in Giambattista Riccioli's 'Geographiae et hydrographiae reformatae, nuper recognitae et auctae libri duodecim' [Reformed geography and hydrography recently revised] (1661). At the meeting on 20 August 1662, Henry Oldenburg was asked to study Riccioli's argument for determining the size of the Earth. Subject: Astronomy 1662