Solar eclipse
                                Date
                            
                            
                                4 November 1668
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Archive reference number
                            
                            
                            
                        
                            
                            
                            
                                Manuscript page number
                            
                            
                                p337a
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (page): 220mm
width (page): 175mm
                            
                        
                            
                            
                            width (page): 175mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Content object
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                The phases of the solar eclipse observed in Gdansk on 4 November 1668 are mapped onto a pre-printed sheet of concentric circles. This is probably the sheet originally sent by Hevelius, with a table of data, in a letter dated 19 November 1668 to Henry Oldenburg, who read the letter to the Royal Society on 17 December 1668.
                            
                            
                        
                            
                            
                            
                                Object history
                            
                            
                                At the meeting of the Royal Society on 17 December 1668, ‘Mr. Oldenburg produced a letter to him from Mr. Hevelius, dated at Dantzick, November 29, 1668, N.S. giving an account of the late eclipse of the sun, November 4, N.S. as also the description of an engine, quae, to use his words, beneficio perpendiculi, loco indicis, regulam cum dioptris perpetuo et satis exacte ad solem stellasve fixas obvertit. This letter was ordered to be entered in the Letter-Book’ (Birch 2:336).
                            
                            
                        
                            
                            
                            
                                Related fellows
                            
                            
                                Johannes Hevelius (1611 - 1687, German/Polish) , Astronomer
Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
                            
                        
                            
                            
                            Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
                                Associated place