| Letter | Register Numbers From - To |
Machine Class (Model No.) |
Quantity Allotted | Date Allotted | Year Allotted | Notes | |
|---|---|---|---|---|---|---|---|
| EC- | 000001 | 080000 | 15K | 80000 | February 1 | 1939 | |
| EC- | 080001 | 094000 | 128K | 14000 | February 3 | 1939 | |
| EC- | 094001 | 094500 | 82K | 500 | February 7 | 1939 | |
| EC- | 094501 | 094700 | 46K | 200 | February 20 | 1939 | S. |
| EC- | 094701 | 094703 | 6K | 3 | February 22 | 1939 | |
| EC- | 094704 | 094753 | 31K | 50 | February 28 | 1939 | |
| EC- | 094754 | 114753 | 28K | 20000 | March 3 | 1939 | |
| EC- | 114754 | 116253 | 16K | 1500 | March 3 | 1939 | |
| EC- | 116254 | 116273 | 138K | 20 | March 3 | 1939 | |
| EC- | 116274 | 116523 | 133K | 250 | March 10 | 1939 | |
| EC- | 116524 | 122523 | 31K | 6000 | March 10 | 1939 | |
| EC- | 122524 | 122528 | 47K | 5 | March 30 | 1939 | |
| EC- | 122529 | 132528 | 66K | 10000 | April 7 | 1939 | |
| EC- | 132529 | 182528 | 99K | 50000 | April 7 | 1939 | |
| EC- | 182529 | 184028 | 16K | 1500 | April 25 | 1939 | |
| EC- | 184029 | 184038 | 47K | 10 | April 28 | 1939 | |
| EC- | 184039 | 184538 | 45K | 500 | May 12 | 1939 | |
| EC- | 184539 | 185038 | 132K | 500 | May 12 | 1939 | |
| EC- | 185039 | 245038 | 201K | 60000 | June 7 | 1939 | |
| EC- | 245039 | 250038 | 96K | 5000 | June 8 | 1939 | |
| EC- | 250039 | 295038 | 15K | 45000 | June 14 | 1939 | |
| EC- | 295039 | 296038 | 16K | 1000 | June 14 | 1939 | |
| EC- | 296039 | 297038 | 29K | 1000 | June 14 | 1939 | |
| EC- | 297039 | 312038 | 31K | 15000 | June 14 | 1939 | |
| EC- | 312039 | 314038 | 103K | 2000 | June 14 | 1939 | |
| EC- | 314039 | 319038 | 127K | 5000 | June 14 | 1939 | |
| EC- | 319039 | 331038 | 128K | 12000 | June 14 | 1939 | |
| EC- | 331039 | 331538 | 132K | 500 | June 14 | 1939 | |
| EC- | 331539 | 332038 | 133K | 500 | June 14 | 1939 | |
| EC- | 332039 | 332113 | 34K | 75 | June 27 | 1939 | |
| EC- | 332114 | 332313 | 44K | 200 | August 7 | 1939 | |
| EC- | 332314 | 332813 | 81K | 500 | August 10 | 1939 | |
| EC- | 332814 | 333313 | 45K | 500 | August 15 | 1939 | |
| EC- | 333314 | 333363 | 34K | 50 | August 21 | 1939 | |
| EC- | 333364 | 334363 | 16K | 1000 | August 25 | 1939 | |
| EC- | 334364 | 344363 | 66K | 10000 | September 1 | 1939 | |
| EC- | 344364 | 344563 | 46K | 200 | September 6 | 1939 | S. |
| EC- | 344564 | 346563 | 132K | 2000 | September 6 | 1939 | |
| EC- | 346564 | 346573 | 47K | 10 | september 7 | 1939 | |
| EC- | 346574 | 366573 | 28K | 20000 | September 11 | 1939 | |
| EC- | 366574 | 370573 | 103K | 4000 | September 28 | 1939 | |
| EC- | 370574 | 400573 | 128K | 30000 | September 28 | 1939 | |
| EC- | 400574 | 400623 | 138K | 50 | September 29 | 1939 | |
| EC- | 400624 | 400673 | 145K | 50 | September 29 | 1939 | |
| EC- | 400674 | 402673 | 206K | 2000 | September 29 | 1939 | |
| EC- | 402674 | 404673 | 29K | 2000 | October 4 | 1939 | |
| EC- | 404674 | 404675 | 14K | 2 | Ocotober 7 | 1939 | |
| EC- | 404676 | 414675 | 96K | 10000 | October 9 | 1939 | |
| EC- | 414676 | 494675 | 15K | 80000 | October 30 | 1939 | |
| EC- | 494676 | 524675 | 31K | 30000 | November 1 | 1939 | |
| EC- | 524676 | 524775 | 34K | 100 | November 1 | 1939 | |
| EC- | 524776 | 526275 | 45K | 1500 | November 1 | 1939 | |
| EC- | 526276 | 526575 | 91K | 300 | November 1 | 1939 | |
| EC- | 526576 | 531075 | 95K | 4500 | November 1 | 1939 | |
| EC- | 531076 | 532575 | 132K | 1500 | November 1 | 1939 | |
| EC- | 532576 | 533575 | 133K | 1000 | November 24 | 1939 | |
| EC- | 533576 | 534075 | 81K | 500 | November 24 | 1939 | |
| EC- | 534076 | 584075 | 99K | 50000 | November 28 | 1939 | |
| EC- | 584076 | 584085 | 47K | 10 | November 29 | 1939 | |
| EC- | 584086 | 586085 | 16K | 2000 | December 27 | 1939 | |
| EC- | 586086 | 586135 | 138K | 50 | December 27 | 1939 | |
| EC- | 586136 | 589135 | 206K | 3000 | December 27 | 1939 | |
| EC- | 589136 | 604135 | 66K | 15000 | January 12 | 1940 | |
| EC- | 604136 | 604435 | 46K | 300 | January 15 | 1940 | S. |
| EC- | 604436 | 604455 | 47K | 20 | January 29 | 1940 | |
| EC- | 604456 | 634455 | 28K | 30000 | February 12 | 1940 | |
| EC- | 634456 | 636455 | 45K | 2000 | February 12 | 1940 | |
| EC- | 636456 | 640455 | 103K | 4000 | March 5 | 1940 | |
| EC- | 640456 | 642455 | 132K | 2000 | March 6 | 1940 | |
| EC- | 642456 | 672455 | 201K | 30000 | March 6 | 1940 | |
| EC- | 672456 | 673955 | 29K | 1500 | March 11 | 1940 | |
| EC- | 673956 | 753955 | 15K | 80000 | March 12 | 1940 | |
| EC- | 753956 | 754955 | 133K | 1000 | March 19 | 1940 | |
| EC- | 754956 | 764955 | 96K | 10000 | March 27 | 1940 | |
| EC- | 764956 | 765455 | 44K | 500 | April 2 | 1940 | |
| EC- | 765456 | 765467 | 47K | 12 | April 11 | 1940 | |
| EC- | 765468 | 765470 | 6K | 3 | April 17 | 1940 | |
| EC- | 765471 | 766470 | 81K | 1000 | May 3 | 1940 | |
| EC- | 766471 | 766472 | 14K | 2 | May 3 | 1940 | |
| EC- | 766473 | 766522 | 15K | 50 | May 8 | 1940 | C.S. |
| EC- | 766523 | 766542 | 145K | 20 | May 17 | 1940 | |
| EC- | 766543 | 766592 | 145K | 50 | May 24 | 1940 | |
| EC- | 766593 | 796592 | 31K | 30000 | May 24 | 1940 | |
| EC- | 796593 | 797092 | 132K | 500 | May 27 | 1940 | |
| EC- | 797093 | 797102 | 47K | 10 | June 3 | 1940 | |
| EC- | 797103 | 803102 | 95K | 6000 | June 12 | 1940 | |
| EC- | 803103 | 804602 | 132K | 1500 | June 20 | 1940 | |
| EC- | 804603 | 805602 | 45K | 1000 | June 24 | 1940 | |
| EC- | 805603 | 805902 | 91K | 300 | June 25 | 1940 | |
| EC- | 805903 | 805914 | 47K | 12 | July 26 | 1940 | |
| EC- | 805915 | 815914 | 128K | 10000 | July 27 | 1940 | |
| EC- | 815915 | 815917 | 6K | 3 | August 3 | 1940 | |
| EC- | 815918 | 823917 | 66K | 8000 | August 5 | 1940 | |
| EC- | 823918 | 823942 | 138K | 25 | August 12 | 1940 | |
| EC- | 823943 | 853942 | 201K | 30000 | September 2 | 1940 | |
| EC- | 853943 | 856942 | 206K | 3000 | September 2 | 1940 | |
| EC- | 856943 | 956942 | 15K | 100000 | September 4 | 1940 | |
| EC- | 956943 | 956961 | 47K | 19 | September 23 | 1940 | |
| EC- | 956962 | 957061 | 46K | 100 | September 27 | 1940 | P.S. |
| EC- | 957062 | 957161 | 34K | 100 | September 27 | 1940 | |
| EC- | 957162 | 957661 | 133K | 500 | October 11 | 1940 | |
| EC- | 957662 | 958661 | 132K | 1000 | October 15 | 1940 | |
| EC- | 958662 | 963661 | 96K | 5000 | October 22 | 1940 | |
| EC- | 963662 | 964661 | 29K | 1000 | October 30 | 1940 | |
| EC- | 964662 | 989661 | 99K | 25000 | November 7 | 1940 | |
| EC- | 989662 | 990161 | 45K | 500 | November 15 | 1940 | |
| EC- | 990162 | 999999 | 66K | 9838 | December 5 | 1940 | |