Credit: © The Royal Society
                             
                         
                     
                         
                         
                             
                                 Image number: RS.9168
                             
                         
                         
                     
                 
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            'The four wheel'd orrery'
                                Date
                            
                            
                                1747
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                                G Child, Engraver
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Library reference
                            
                            
                                38980
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Technique
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (print): 163mm
width (print): 245mm
                            
                        
                            
                            
                            width (print): 245mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Content object
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                'The four wheel'd orrery' from A dissertation upon the phaenomena of the harvest Moon; also, The description and use of a new four-wheel'd orrery, and an Essay upon the Moon's turning round on her own axis, by James Ferguson (London, 1747).
James Ferguson (1710–1776) was a natural philosopher and inventor of scientific instruments. An orrery is a mechanical model of the Solar System, based on Copernican principles.
                            
                            
                        
                            
                            
                            James Ferguson (1710–1776) was a natural philosopher and inventor of scientific instruments. An orrery is a mechanical model of the Solar System, based on Copernican principles.
                                Associated place