Wireless World, February, 1956.

Valves Advertised:

6058, G/6156, 6064, G/6066, G/5749, G/5750, G/6059, G/6061, G/6132, G/6100, G/6180, 6063, 6065, G/6060, 6067, 6057, G/6158, G/6062, G/6157, G/6443, G/6L6GA, G/25L6GT, G/6042 & G/50C5.