Fiddlebase
LEAVITT & BRANT
50 Bromfiels Street Boston
After July 1855, John B. Nichols was in partnership with Rufus Leavitt and the company name changed to Nichols, Leavitt & Co..
After July 1856 it was changed again to Leavitt & Co..
After July 1865 it was changed again to Leavitt Sewing Machine Co. .
After July 1867 it was changed again to Leavitt & Brant
After July 1871 the production of THE LEAVITT IMPROVED LOCK-STITCH SHUTTLE SEWING MACHINE was probably ended.
The Nichols-Leavitt machines can be dated by their serial numbers approximately as follows:
| Serial Number | Year | Company |
| 1-28 up to July | 1853 | Nichols & Bliss |
| 29-245 " | 1854 | Nichols & Bliss -- J. B. Nichols |
| 246-397 " | 1855 | J. B. Nichols & Co. --- Nichols, Leavitt & Co. |
| 398-632 " | 1856 | Nichols, Leavitt & Co. --- Leavitt & Co. ? |
| 633-827 " | 1857 | Leavitt & Co. |
| 828-902 | 1858 | ” |
| 903-1115 | 1859 | ” |
| 1116-1436 | 1860 | ” |
| 1437-1757 | 1861 | ” |
| 1758-2077 | 1862 | ” |
| 2078-2400 | 1863 | ” |
| 2401-2900 | 1864 | ” |
| 2901-3900 | 1865 | " |
| 3901-4900 " | 1866 | Leavitt Sewing Machine Co. |
| 4901-5951 " | 1867 | ” |
| 5952-6951 " | 1868 | Leavitt & Brant |
|
6952-7722 " " " " |
1869 1870 1871 1872-79 |
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