British Telecom test telephone in anchoic chamber, London

Mar. 22 Science fact or fiction; It may look like a scene from the latest science fiction film spectacular, or even the latest in avant garde sculpture, but it is in fact serious scientific research. It's an anchoic chamber, an acoustically perfect echo free room used by British Telecom (telephone and telecommunications company) to test new telephones, This chamber in London is one of three used by the company to check the quality of microphone, bells and loudspeakers in the telephone system. The room is lined with glass fiber rockwool boards which eliminate all sound reflection. Photo Shows Engineers test a telephone inside the anchoic chamber

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Avant Bells Boards Echo Eliminate Fact Fiber Garde Loudspeakers Spectacular Telecom Telephones

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