Credit: © The Royal Society
                             
                         
                     
                         
                         
                             
                                 Image number: RS.10350
                             
                         
                         
                     
                 
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            Cobalt
                                Date
                            
                            
                                1752
                            
                            
                        
                            
                            
                            
                                Creator
                            
                            
                            
                        
                            
                            
                            
                                After
                            
                            
                                Johann Michael Seligmann (1720, German) , Artist
                            
                            
                        
                            
                            
                            
                                Object type
                            
                            
                            
                        
                            
                            
                            
                                Library reference
                            
                            
                                Tracts/X23/5
                            
                            
                        
                            
                            
                            
                                Material
                            
                            
                            
                        
                            
                            
                            
                                Technique
                            
                            
                            
                        
                            
                            
                            
                                Dimensions
                            
                            
                                height (print): 192mm
width (print): 145mm
                            
                        
                            
                            
                            width (print): 145mm
                                Subject
                            
                            
                            
                        
                            
                            
                            
                                Content object
                            
                            
                            
                        
                            
                            
                            
                                Description
                            
                            
                                Illustration of regulus of cobalt with purple and green layers. 
Plate 24 from Fossilium Metalla Et Res Metallicas Concernentium Glebae Suis Coloribus Expressae by Casimir Christoph Schmiedel (Nuremberg, Iohannis Michaelis Seligmanni, 1752). Inscribed: ‘Tabula XXIV. J. C. Dietzsch ad viv pinge. J. M. Seligmann excudit. Joh. Sebast. Lectner Sculps.’
                            
                            
                        
                            
                            
                            Plate 24 from Fossilium Metalla Et Res Metallicas Concernentium Glebae Suis Coloribus Expressae by Casimir Christoph Schmiedel (Nuremberg, Iohannis Michaelis Seligmanni, 1752). Inscribed: ‘Tabula XXIV. J. C. Dietzsch ad viv pinge. J. M. Seligmann excudit. Joh. Sebast. Lectner Sculps.’
                                Associated place