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Portrait of Edward Whitehouse
ARP23A12_320

Portrait of Edward Whitehouse

Portrait of Werner von Siemens
ARP23A13_046

Portrait of Werner von Siemens

Illustration of the 'Cooke and Wheatstone Telegraph' an early electrical telegraph system created by William Fothergill Cooke
ARP23A12_319

Illustration of the 'Cooke and Wheatstone Telegrap...

Portrait of Friedrich Siemens
ARP23A13_047

Portrait of Friedrich Siemens

Portrait of Charles Wheatstone
ARP23A12_316

Portrait of Charles Wheatstone

Portrait of Charles Wheatstone
ARP23A12_318

Portrait of Charles Wheatstone

Portrait of Charles Wheatstone
ARP23A12_317

Portrait of Charles Wheatstone

Portrait of Werner von Siemens
ARP23A13_045

Portrait of Werner von Siemens

thermionic tube or thermionic valve
ARP18A30_304

thermionic tube or thermionic valve

Walter Nash prime Minister of New Zealand 1942
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Walter Nash prime Minister of New Zealand 1942

thermionic tube or thermionic valve
ARP18A30_303

thermionic tube or thermionic valve

The Hot line between the President of the USA and the Premier of the USSR
ARP17A30_375

The Hot line between the President of the USA and ...

Magazine article from 1955 celebrating achievements in television
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Magazine article from 1955 celebrating achievement...

Magazine article from 1955 celebrating achievements in television
ARP17A12_458

Magazine article from 1955 celebrating achievement...

Bataille de la Somme, 1916
ARP10A03_238

Bataille de la Somme, 1916

Héros du télégraphe
ARP07108_0460000718

Héros du télégraphe

Telephone: man on left is making call
ARP07103_460000364

Telephone: man on left is making call

Wall mounted telephone
ARP07104_460001338

Wall mounted telephone

Carbon microphone, invented in 1878
ARP07102_390005770

Carbon microphone, invented in 1878