Sewing Machine Research
ISMACS International
International Sewing Machine Collectors' Society

Singer Sewing Machine Serial Number Database

Serial Numbers Beginning with: AT

Letter Register Numbers
From - To
Machine Class
(Model No.)
Quantity Allotted Date Allotted Year Allotted Notes
AT- 000001 001000 261 1000 January 19 1971
AT- 001001 001500 302 500 January 29 1971
AT- 001501 017500 717 16000 May 24 1971
AT- 017501 032500 719 15000 May 24 1971