Diagram
                                Date
                            
                            
                                19 March 1672
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Unknown, Artist
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Archive reference number
                            
                            
                            
                        
                            
                            
                            
                                Manuscript page number
                            
                            
                                p2
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (page): 310mm
width (page): 199mm
                            
                        
                            
                            
                            width (page): 199mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Image on the back of a letter dated 19 March 1671 from Isaac Newton to Henry Oldenburg. The letter discusses the magnification power of Newton's reflecting telescope and ways to improve it. The diagram at the back of the letter may relate to properties of Newton's telescope.
                            
                            
                        
                            
                            
                            
                                Transcription
                            
                            
                                i.e. if ye \bent/ axis were direct  were accounted streight,
Transcribed by the Making Visible project
                            
                        
                            
                            
                            Transcribed by the Making Visible project
                                Related fellows
                            
                            
                                Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
Isaac Newton (1642 - 1727, British) , Natural philosopher
                            
                        
                            
                            
                            Isaac Newton (1642 - 1727, British) , Natural philosopher
                                Associated place