Encyclopedia Dubuque
"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN
Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.
LEAVITT
LEAVITT. 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 J. B. Nichols & Co. 246-397
1855 J. B. Nichols & Co.--Nichols, Leavitt & Co. 398-632
1856 Nichols, 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 Leavitt Sewing Machine Co. 3901-4900
1866 " 4901-5951
1867 " 5952-6951 1868 " 6952-7722
There is no record that the Massachusetts company was in existence after 1869.
---
Source:
www.freefictionbooks.org/.../21803-the-invention-of-the-sewi...
The 1868-69 Dubuque City Directory listed 105 1/2 Main.