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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
plugboard |
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| navigate by keyword : 1876 alexander bell closeup elisha exchange graham gray invented mobile old phone plugboard plugs showing sockets switchboard telecom telecomunications telephone that view was |
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| A closeup view of an old telephone switchboard or plugboard showing the sockets and the plugs that go into the sockets. The telephone was invented in 1876 by Alexander Graham Bell and Elisha Gray. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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