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1943

1945

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1944

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Ericsson Unifon

Ericsson Unifon

L.M. Ericsson

Armed forces telephone center photo

Armed forces telephone center photo

PDF: AT&T Annual Report, 1944

AT&T Annual Report, 1944

Ad: 'War still needs the wires'

'War still needs the wires'

Photo: London overseas telephone office for American GI's

London overseas telephone office for American GI's

Ad: Dictograph intercom

Dictograph intercom

Diagram: Pie chart of Western Electric wartime production

Pie chart of Western Electric wartime production