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Featherweight 221K Serial Numbers

From Number To Number Quantity Date
EE 152221 EE 152720 500 25 August 1947
EE 452721 EE 453220 500 24 December 1947
EE 573424 EE 578423 5000 14 May 1948
EE 802479 EE 807478 5000 21 September 1948
EE 853479 EE 863478 10000 10 December 1948
EF 154176 EF 164175 10000 23 May 1949
EF 278731 EF 288730 10000 17 August 1949
EF 558931 EF 568930 10000 7 November 1949
EF 688016 EF 698015 10000 14 February 1950
EF 700569 EF 710568 10000 24 April 1950
EF 907629 EF 917628 10000 19 July 1950
EG 072001 EK 082000 10000 9 October 1950
EG 302861 EG 312860 10000 18 December 1950
EG 343861 EG 353860 5000 15 February 1951
EG 433821 EG 444820 11000 29 March 1951
EG 637821 EG 647820 10000 16 May 1951
EG 703321 EG 713320 10000 17 July 1951
EG 957781 EG 967780 10000 17 October 1951
EH 001027 EH 011026 10000 18 December 1951
EH 132547 EH 142546 10000 29 February 1952
EH 236097 EH 246096 10000 28 April 1952
EH 370347 EH 380346 10000 22 July 1952
EH 625778 EH 635777 10000 8 October 1952
EH 890433 EH 900432 10000 4 March 1953
EJ 211989 EJ 216988 5000 4 September 1953
EK 203139 EK 213138 10000 14 February 1955
EK 986373 EK 991372 5000 20 December 1955
EL 537735 EL 542734 5000 13 June 1956
EM 016257 EM 021256 5000 9 January 1957
EM 596007 EM 601006 2500 2 August 1957
EN 235134 EN 238133 3000 17 April 1958
EN 826834 EN 829333 2500 27 October 1958
EP 256021 EP 257520 1500 18 May 1959
ES 170544 ES 175543 5000 3 November 1960
ES 239244 ES 249243 10000 10 January 1961
ES 648144 ES 658143 10000 15 May 1961
ES 873744 ES 883743 10000 19 August 1961
ET 061345 ET 071344 10000 2 November 1961
EV 776991 EV 826990 50,000 03 March 1964
EV 8466?? 1964
EV 909??? EV 998??? 1964
EW 061691 EW 071690 10000 6 August 1968
EY 84???? EY 99????
FA 098??? FA 132??? 1968/69
FA 202??? FA 288??? 1968/69

NOTE

221K machines up until 1951 had a plain gold badge, During 1951 a special 'Centenary' badge with a blue border was used in commemaration of Singer's 100th anniversary. From 1952 a gold badge with a black patterned border was used.