Diagram
                                Date
                            
                            
                                17th century
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                James Gregorie (1638 - 1675, Scottish) , Mathematician
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Archive reference number
                            
                            
                            
                        
                            
                            
                            
                                Manuscript page number
                            
                            
                                f55 p1r
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (page): 161mm
width (page): 106mm
                            
                        
                            
                            
                            width (page): 106mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Diagram in a tract entitled 'Tractatulus de quinque partibus circularibus' (A small tract on the five parts of the circle), attributed to James Gregorie, who appears to have based some of his figures and values on Henry Briggs's Trigonometria Brittanica (Gouda, 1633).
                            
                            
                        
                            
                            
                            
                                Transcription
                            
                            
                                Number 166 in a square [David Gregory's numbering of his papers]
Transcribed by the Making Visible project
                            
                        
                            
                            
                            Transcribed by the Making Visible project
                                Related fellows
                            
                            
                                David Gregory (1659 - 1708, British) , Astronomer, Astronomer
                            
                            
                        
                            
                            
                            
                                Associated place