Pocket Watch Database
| Source: | Jewelers Review, Volume 32 |
| Published: | 1899 |
| Page: | 721 |
| Tags: | Columbus Watch Co.,New Columbus Watch Co., Grade Time King, Railway King |
| Source: | Jewelers Review, Volume 32 |
| Published: | 1899 |
| Page: | 783 |
| Tags: | Columbus Watch Co.,New Columbus Watch Co., Grade Time King, Railway King |
| Source: | The Jewelers' Circular and Horological Review, Volume 23 |
| Published: | 1891 |
| Page: | 44 |
| Tags: | Columbus Watch Co., Grade 27, Grade 97 |
| Source: | The Jewelers' Circular and Horological Review, Volume 36 |
| Published: | 1898 |
| Page: | 37 |
| Tags: | News, New Columbus Watch Co. |
| Source: | The Jewelers' Circular and Horological Review, Volume 36 |
| Published: | 1898 |
| Page: | 18 |
| Tags: | News, American Waltham Watch Co., 7j, Breguet Hairspring, Hampden Watch Co., Illinois Watch Co., New Columbus Watch Co. |