MARCONI’S WIRELESS TELEGRAPH COMPANY LIMITED
Head Office: Marconi House, Chelmsford ∙ Telephone: Chelmsford 3221 ∙ Telegraphic Address: Expanse, Chelmsford
Printed in England ∙ 30054/1000 ∙ Transdiffusion presentation
In city, town or country, Marconi Outside Broadcast equipment is the toast of 1954