LEAVITT SEWING MACHINE CO.
104 Tremont 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. .
The Nichols-Leavitt machines can be dated by their serial numbers approximately as follows:
Serial Number Year Company
1-28 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 ”
continued