Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 71
| 1878 |  | Regulator Calenda–No. 1 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 72
| 1878 |  | Regulator Calendar–No. 2 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 73
| 1878 |  | Regulator Calendar–No. 3.–B.W. | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 74
| 1878 |  | Round Head Calendar–No. 4 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 75
| 1878 |  | Regulator Calendar–No. 5–B. W. | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 76
| 1878 |  | Wagner, Hanging, B. W. (calendar) | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 77
| 1878 |  | Gale Calendar (round) | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 78
| 1878 |  | Gale Drop Calendar | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 79
| 1878 |  | Directions for the B. B. Lewis Calendar and the Gale Calendar Clocks | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 80
| 1878 |  | Regulator–No. 1 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 81
| 1878 |  | Regulator–No. 2 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 82
| 1878 |  | Regulator–No. 2 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 83
| 1878 |  | Regulator–No. 4 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 84
| 1878 |  | Regulator–No. 5 | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 85
| 1878 |  | Gallery–B. W. (round) | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 86
| 1878 |  | Round Top Drop | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 87
| 1878 |  | Verdi | Page | | Welch, Spring and Company | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 88
| 1878 |  | Tower Clock – quarter strike 8 day (Catalogue containing other patterns mailed on application. | Page | | Seth Thomas | Clock & Watch |
Illustrated Catalogue of Seth Thomas, New Haven, E. N. Welch and Welch, Spring & Co. Clocks. -> 89
| 1878 |  | Office Calendar–No. 6 | Page | | Seth Thomas | Clock & Watch |