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International Sewing Machine Collectors' Society

The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.

Singer Sewing Machine Serial Number Database

Serial Numbers Beginning with: B
Letter Register Numbers
From - To		 Machine Class
(Model No.)		 Quantity Allotted Date Allotted Year Allotted Notes
B- 000001 005000 16 5000 January 2 1904
B- 005001 006000 18 1000 January 2 1904
B- 006001 011000 24 5000 January 2 1904
B- 011001 012000 29 1000 January 2 1904
B- 012001 014950 32 2950 January 2 1904
B- 014951 015000 77-1 50 January 2 1904
B- 015001 018000 39 3000 January 2 1904
B- 018001 018500 68 & 69 500 January 2 1904
B- 018501 019000 23 500 January 2 1904
B- 019001 060000 15 41000 January 2 1904
B- 060001 120000 27 60000 January 2 1904
B- 120001 130000 28 10000 January 2 1904
B- 130001 140000 31 10000 January 2 1904
B- 140001 145000 66 5000 January 2 1904
B- 145001 155000 27-4 10000 January 2 1904 Canadian Factory
B- 155001 156500 15-30 1500 January 2 1904
B- 156501 157000 16-35 500 January 2 1910
B- 157001 157200 43 200 January 15 1910
B- 157201 157400 62 200 January 18 1910
B- 157401 157700 71 300 January 26 1910
B- 157701 157800 7 100 Feburary 2 1904
B- 157801 157850 34 50 Feburary 3 1904
B- 157851 158200 75 350 Feburary 5 1904
B- 158201 158300 23 100 Feburary 6 1904
B- 158301 158400 76-1 100 Feburary 10 1904
B- 158401 158440 56 40 Feburary 16 1904
B- 158441 158800 51 360 Feburary 24 1904
B- 158801 173000 28 14200 Feburary 24 1904
B- 173001 173025 36-1 25 Feburary 26 1904
B- 173026 174000 44 975 Feburary 26 1904
B- 174001 174100 7 100 March 9 1904
B- 174101 224000 27 49900 March 18 1904
B- 224001 264000 15 40000 March 25 1904
B- 264001 273800 66 9800 March 25 1904
B- 273801 274000 76 200 March 25 1904
B- 274001 274300 23 300 April 2 1904
B- 274301 277000 39 2700 April 8 1904
B- 277001 278000 18 1000 April 12 1904
B- 278001 288000 27-4 10000 April 13 1904 Montreal
B- 288001 288200 17 200 April 14 1904
B- 288201 288300 7 100 April 18 1904
B- 288301 288500 17 200 April 20 1904
B- 288501 292000 16 3500 April 21 1904
B- 292001 292800 29 800 April 25 1904
B- 292801 293000 63 200 April 25 1904
B- 293001 302500 28 9500 April 27 1904
B- 302501 303000 75 500 April 27 1904
B- 303001 308000 31 5000 May 2 1904
B- 308001 308200 41 200 May 3 1904
B- 308201 308400 62 200 May 4 1904
B- 308401 312000 24 3600 May 5 1904
B- 312001 312100 34 100 May 7 1904
B- 312101 312200 3 100 May 11 1904
B- 312201 372000 27 59800 May 14 1904
B- 372001 373300 44 1300 May 23 1904
B- 373301 373500 17 200 May 23 1904
B- 373501 374000 71 500 May 27 1904
B- 374001 414000 15 40000 MaJune 6 1904
B- 414001 434000 28 20000 June 6 1904
B- 434001 434500 68/69 500 June 11 1904
B- 434501 435000 16-35 500 June 15 1904 Montreal
B- 435001 435500 75 500 June 21 1904
B- 435501 435600 7 100 June 24 1904
B- 435601 435800 51 200 June 24 1904
B- 435801 440000 31 4200 June 24 1904
B- 440001 443000 39 3000 June 24 1904
B- 443001 445000 16 2000 June 29 1904
B- 445001 446000 18 1000 June 29 1904
B- 446001 447000 29 1000 June 29 1904
B- 447001 447100 7 100 June 30 1904
B- 447101 447200 17 100 July 13 1904
B- 447201 450000 24 2800 July 20 1904
B- 450001 460000 27-4 10000 July 25 1904 Montreal
B- 460001 460200 62 200 July 25 1904
B- 460201 511000 27 50800 July 28 1904
B- 511001 511200 17 200 August 2 1904
B- 511201 511225 36-1 25 August 5 1904
B- 511226 516000 31 4775 August 15 1904
B- 516001 516500 72/73 500 August 16 1904
B- 516501 516800 23 300 August 16 1904
B- 516801 516850 58 50 August 18 1904
B- 516851 516900 76 50 August 18 1904
B- 516901 517000 42 100 August 18 1904
B- 517001 522000 16 5000 August 18 1904
B- 522001 562000 15 40000 August 22 1904
B- 562001 565000 18 3000 August 23 1904
B- 565001 565500 71 500 August 24 1904
B- 565501 565700 76 200 August 24 1904
B- 565701 566200 75 500 August 25 1904
B- 566201 570000 24 3800 August 25 1904
B- 570001 575000 66 5000 August 29 1904
B- 575001 595000 28 20000 August 31 1904
B- 595001 595050 58 50 September 20 1904
B- 595051 598000 39 2950 September 24 1904
B- 598001 598200 17 200 September 24 1904
B- 598201 648000 27 49800 September 26 1904
B- 648001 648100 7 100 October 19 1904
B- 648101 649000 29 900 October 31 1904
B- 649001 689000 15 40000 Ocotber 31 1904
B- 689001 689100 7 100 November 7 1904
B- 689101 692100 16 3000 November 9 1904
B- 692101 695100 31 3000 November 10 1904
B- 695101 715500 28 20400 November14 1904
B- 715501 716000 75 500 November 14 1904
B- 716001 719000 27-4 3000 November 14 1904 Montreal
B- 719001 719200 17 200 November 17 1904
B- 719201 719400 62 200 November 17 1904
B- 719401 719650 52 250 November 17 1904
B- 719651 719700 76 50 November 17 1904
B- 719701 721000 32 1300 November 21 1904
B- 721001 722000 44 1000 November25 1904
B- 722001 772000 27 50000 November 28 1904
B- 772001 777000 24 5000 November 28 1904
B- 777001 777200 17 200 November 29 1904
B- 777201 777400 42 200 December 6 1904
B- 777401 779000 66 1600 December 14 1904
B- 779001 779500 39 500 December 17 1904
B- 779501 780000 71 500 December 22 1904
B- 780001 790000 27 10000 December 22 1904 Montreal
B- 790001 791000 15 1000 December 22 1904 Montreal
B- 791001 791500 16 500 December 22 1904
B- 791501 794000 44 2500 January 4 1905
B- 794001 797000 31 3000 January 4 1905
B- 797001 800000 39 3000 January 4 1905
B- 800001 802000 18 2000 January 4 1905
B- 802001 803000 29 1000 January 4 1905
B- 803001 808000 66 5000 January 4 1905
B- 808001 808300 55 300 January 19 1905
B- 808301 808500 17 200 January 20 1905
B- 808501 848000 15 39500 January 23 1905
B- 848001 848450 75 450 January 27 1905
B- 848451 848500 19 50 January 27 1905
B- 848501 848600 7 100 Feburary 1 1905
B- 848601 849100 23 500 Feburary 3 1905
B- 849101 890000 27 40900 Feburary 6 1905
B- 890001 901000 28 11000 Feburary 6 1905
B- 901001 910000 66 9000 Feburary 18 1905
B- 910001 910100 7 100 Feburary 18 1905
B- 910101 910600 66 500 March 18 1905
B- 910601 914000 31 3400 March 18 1905
B- 914001 914500 68 & 69 500 March 3 1905
B- 914501 917500 16 3000 March 7 1905
B- 917501 917700 41 200 March 8 1905
B- 917701 918000 76 300 March 11 1905
B- 918001 918200 62 200 March 11 1905
B- 918201 923000 24 4800 March 18 1905
B- 923001 943000 28 20000 March 23 1905
B- 943001 946000 44 3000 March 27 1905
B- 946001 996000 27 50000 March 27 1905
B- 996001 998000 18 2000 March 31 1905
B- 998001 1001000 39 3000 April 4 1905
B- 1001001 1016000 66 15000 April 4 1905
B- 1016001 1056000 15 40000 April 4 1905
B- 1056001 1066000 27 10000 April 19 1905 Montreal
B- 1066001 1071000 31 5000 April 20 1905
B- 1071001 1071200 17 200 May 2 1905
B- 1071201 1071700 71 500 May 2 1905
B- 1071701 1071725 58 25 May 8 1905
B- 1071726 1072100 62 375 May 22 1905
B- 1072101 1072400 17 300 May 25 1905
B- 1072401 1122400 27 50000 May 25 1905
B- 1122401 1123400 29 1000 June 7 1905
B- 1123401 1143400 28 20000 June 7 1905
B- 1143401 1143700 23 300 June 9 1905
B- 1143701 1143750 34 50 June 12 1905
B- 1143751 1159000 66 15250 June 12 1905
B- 1159001 1159500 72 & 73 500 June 15 1905
B- 1159501 1160500 15-30 1000 June 15 1905 Montreal
B- 1160501 1201000 15 40500 June 19 1905
B- 1201001 1201100 7 100 June 27 1905
B- 1201101 1206100 24 5000 July 10 1905
B- 1206101 1211100 31 5000 July 10 1905
B- 1211101 1214100 39 3000 July 13 1905
B- 1214101 1214200 77-1 100 July 20 1905
B- 1214201 1214400 17 200 July 26 1905
B- 1214401 1215000 17 600 August 1 1905
B- 1215001 1217000 44 2000 August 1 1905
B- 1217001 1267000 27 50000 August 1 1905
B- 1267001 1277000 27 10000 August 4 1905 Montreal
B- 1277001 1278000 18 1000 August 7 1905
B- 1278001 1278300 42 300 August 8 1905
B- 1278301 1278600 62 300 August 12 1905
B- 1278601 1299000 28 20400 August 28 1905
B- 1299001 1319000 66 20000 September 1 1905
B- 1319001 1359000 15 40000 September 5 1905
B- 1359001 1359500 23 500 September 6 1905
B- 1359501 1360000 71 500 September 12 1905
B- 1360001 1368000 31 8000 September 12 1905 Montreal
B- 1368001 1369000 15-30 1000 September 13 1905
B- 1369001 1369300 68 300 September 15 1905
B- 1369301 1369500 41 200 September 19 1905
B- 1369501 1370300 29 800 September 19 1905
B- 1370301 1372300 16 2000 September 19 1905
B- 1372301 1372400 51 100 September 21 1905
B- 1372401 1375400 44 3000 September 26 1905
B- 1375401 1425400 27 50000 October 2 1905
B- 1425401 1425450 36 50 October 4 1905
B- 1425451 1428000 39 2550 October 7 1905
B- 1428001 1428200 17 200 October 16 1905
B- 1428201 1428300 7 100 October 18 1905
B- 1428301 1432000 24 3700 October 20 1905
B- 1432001 1432700 18 700 November 3 1905
B- 1432701 1433100 15-30 400 November 13 1905 Montreal
B- 1433101 1435100 27-4 2000 November 13 1905 Montreal
B- 1435101 1455100 15 20000 November 14 1905
B- 1455101 1467100 28 12000 November14 1905
B- 1467101 1467250 52 150 November 116 1905
B- 1467251 1467350 3 100 November 21 1905
B- 1467351 1467600 17 250 November 21 1905
B- 1467601 1469000 16 1400 November 21 1905
B- 1469001 1479000 66 10000 November 21 1905
B- 1479001 1479150 58 150 November 24 1905
B- 1479151 1479650 71 500 November 28 1905
B- 1479651 1529650 27 50000 December1 1905
B- 1529651 1537650 31 8000 December1 1905
B- 1537651 1537750 55 100 December 1 1905
B- 1537751 1541750 44 4000 December 6 1905
B- 1541751 1543250 27-4 1500 December11 1905 Montreal
B- 1543251 1544750 18 1500 December 12 1905

ISMACS is an organization totally independent of all sewing-machine manufacturers, past or present and is not affiliated with any of the companies mentioned in these pages.  Please Note: Do not contact any ISMACS official in an attempt to solicit a valuation - it is not possible other than by hands-on assessment and your request will be ignored.

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