Geometric diagrams
                                Date
                            
                            
                                1685
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                Unknown, Engraver
                            
                            
                        
                            
                            
                            
                                Creator - Organisation
                            
                            
                                The Royal Society, Publisher
                            
                            
                        
                            
                            
                            
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                                Dimensions
                            
                            
                                height (page): 150mm
width (page): 213mm
                            
                        
                            
                            
                            width (page): 213mm
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                                Description
                            
                            
                                Nine geometric diagrams, illustrating ‘A letter from the Reverend Dr. Wallis, Professor of Geometry in the University of Oxford, and Fellow of the Royal Society, London, to Mr. Richard Norris, concerning the collection of secants; and the true division of the meridians in the sea-chart’ in Philosophical Transactions of the Royal Society, vol. 15, issue 176 (26 November 1685). 
John Wallis (1616–1703), British mathematician, was a Founding Fellow of the Royal Society.
                            
                            
                        
                            
                            
                            John Wallis (1616–1703), British mathematician, was a Founding Fellow of the Royal Society.
                                Related fellows
                            
                            
                                John Wallis (1616 - 1703, British) , Mathematician