The phone has certainly evolved over the past 150 years, especially in appearance. We invite you to take this tour of phone design.
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A telephone from 1877.
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A telephone from 1913.
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A telephone from 1919.
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A telephone from 1928.
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A telephone from 1937.
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A telephone from 1956.
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A telephone from 1964.
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A telephone from 1968.
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A telephone from 1992.