Cromwell was manufactured by Collier & Beale Ltd,
they were distributed by H. W. Clarke Ltd .
Currently there are 15 documented models.
| IMAGE | YEAR | MODEL CODE | VALVES | BANDS |
|---|---|---|---|---|
 |
1933 | Cromwell 5AV 'Series 1' | 5 | Broadcast |
 |
1933 | Cromwell 5AV Compact | 5 | Broadcast |
 |
1935 | Cromwell 6LSA | 6 | Dual Wave |
 |
1936 | Cromwell 5AV Series 2 | 5 | Broadcast |
 |
1936 | Cromwell 7AW | 7 + magic eye | All Wave |
 |
1937 | Cromwell 7AW-3 | 7 | All Wave |
 |
1939ish | Cromwell model 520 | 5 | Dual Wave |
 |
1939 | Cromwell 6CV3 'Server' | 6 | Dual Wave |
 |
1946 | Cromwell model 726 | 6+magic eye | Dual Wave |
 |
1948 | Cromwell 518N 'Little Jewel' | 6 (equivalent) | Broadcast |
 |
1948 | Cromwell 618R | 6 | Broadcast |
 |
1951 | Cromwell model 5251 | 5 | Dual Wave |
 |
1951 | Cromwell model 7251 | 6 + magic eye | Dual Wave |
 |
1951 | Cromwell 7251E | 6 + magic eye | Dual Wave |
 |
1955 | Cromwell 11355E | 10 plus magic eye | All Wave |
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