Details
Marconi's Wireless Telegraph Co. Ltd.:
A Post Office Certificate of Proficiency in Radiotelegraphy with covering letter, 1910; a South Eastern and Chatham Railway Telegraph Dept. rule book, 1906; and a Marconiphone RB 10 case with MWTCL plaque and (faint) BBC transfer (4)
A Post Office Certificate of Proficiency in Radiotelegraphy with covering letter, 1910; a South Eastern and Chatham Railway Telegraph Dept. rule book, 1906; and a Marconiphone RB 10 case with MWTCL plaque and (faint) BBC transfer (4)