Diagram
                                Date
                            
                            
                                24 September 1670
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Archive reference number
                            
                            
                            
                        
                            
                            
                            
                                Manuscript page number
                            
                            
                                p76
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (page): 311mm
width (page): 197mm
                            
                        
                            
                            
                            width (page): 197mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                A figure in a letter from Henry Oldenburg to Renatus Franciscus Slusius dated 20 September 1670. The diagram is part of Pierre Hérigone's solution to finding the rational co-ordinates of an equilateral hyperbola, as given in his Cursus mathematicus (Paris, 1634-37).
The image is copied from the one at EL/O2/33/003. There is another copy at LBC/4/104.
                            
                            
                        
                            
                            
                            The image is copied from the one at EL/O2/33/003. There is another copy at LBC/4/104.
                                Related fellows
                            
                            
                                Renatus Franciscus Slusius (1622 - 1685, Belgian) , Mathematician
                            
                            
                        
                            
                            
                            
                                Associated place