This trader advert from April 1950 shows the Strad Table Radio 492.  Pretty standard design for it's time unlike some of the Strad models.

It’s Sound if it’s Strad

Model 492 is the ideal inexpensive set to meet present-day needs. Sensitivity, selectivity, and tone are of a very high standard and the attractive cabinet, incorporating and anodised metal grille, will adorn and beautify any room. Great car has been taken to maintain the traditional "Strad" reliability which has been an outstanding feature of all earlier models, and we can guarantee that your customers will be more than satisfied.