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                                                        Title: | 
                                                    
                                                        1898 Ad-Billings & Spencer Co., Thread Cutting & Diamond Point Lathe Tool | 
                                                 
                                                
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                                                        Source: | 
                                                    
                                                        Iron Age, V41, 07 Apr., 1898, pg. 141 | 
                                                 
                                                
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                                                        Insert Date: | 
                                                    
                                                        7/23/2024 11:56:34 AM | 
                                                 
                                             
                                             
                                            
                                                
                                                
                                                    
                                                        U. S. Patent #150,276
  https://www.datamp.org/patents/displayPatent.php?number=150276&typeCode=0 | 
                                                 
                                             
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                                                            1898 Billings & Spencer Co., Thread Cutting & Diamond Point Lathe Tool
                                                            
                                                         
                                                        
                                                        
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