Hill Publishing Co., The American Machinist Magazine
1906 Series 314
1906 Series 320
1908 Series 343
3
1908 Series 344
146
1908 Series 345
1908 Series 346
1911 Series 383
1911 Series 384
3
1912 Series 408
1912 Series 409
1f
Total Count
153
Total Count On Cover
39
Earliest Usage
1/8/1910
Latest Usage
1/16/1911
Comments
This pattern is known on Hill Publishing correspondence and the correspondence of magazines published by Hill. After Mr Hill's death, the company was merged to form the McGraw-Hill publishing.