| 
                                                        Title: | 
                                                    
                                                        1903 Article-Pratt & Whitney Co., Automatic Cone Grinding Attachment | 
                                                 
                                                
                                                    | 
                                                        Source: | 
                                                    
                                                        Emery Grinding Machinery, 1903, pgs. 80 | 
                                                 
                                                
                                                    | 
                                                        Insert Date: | 
                                                    
                                                        11/20/2015 9:14:24 PM | 
                                                 
                                             
                                             
                                            
                                                
                                                
                                                    | 
                                                        Fig. 66 gives another combination. It consists of the bed,countershaft and inside-form grinding attachment, as in the machine first described (fig. 63), but in addition there is a special head, with an overhanging arm for grinding cones automatically after they are placed upon the axle, the axle being supported on dead centres, and driven by a pulley revolving on the front end of the fixed head spindle. | 
                                                 
                                             
                                         | 
                                        
                                            
                                                
                                                
                                                    
                                                        
                                                             
                                                            
                                                            1903 Pratt & Whitney Co., Automatic Cone Grinding Attachment
                                                            
                                                         
                                                        
                                                        
                                                     | 
                                                 
                                             
                                         |