National was manufactured by various companies, they were distributed by John Burns & Co. Ltd. Currently there are 5 documented models.
Not to be confused with National from Japan (National Panasonic).
There seem to have been two major manufacturers - Westco Products and Radio (1936) Ltd.
| IMAGE | YEAR | MODEL CODE | VALVES | BANDS |
|---|---|---|---|---|
 |
1935 | National AR | 5 | Broadcast |
 |
1937 | National BCU | 7 | All Wave |
 |
1939 | National CMU | 5 | Broadcast |
 |
1940 | National ECU | 5 | Broadcast |
 |
1942 | National 427VBS | 7 | 5 |
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