Ever Ready at the 1954 UK Radio Show

From the Catalogue entry for the Ever Ready stand for the 1954 show.

The Saucepan Special: Were there four versions, two early and two late?

We know from other published material that the original SW only  Model J was 1949. Was it and SW + MW (BC) the J-A1F and J-A2F? Did the 1949 version use AD3 or B103?

The catalogue entry confirms 1954 or earlier for the BEREC Skyscraper (mkII) too. Unfortunately this issue of the catalogue doesn't highlight which are older models and which are brand new introductions. Some listed models may even be only "Factory Stock" rather than in actual production.

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