The following article first appeared in 1912 in The Journal (then known as The Post Office Electrical Engineers Journal) Vol. 5. Jul 1912, announcing the opening of the Epsom Telephone Exchange. This article is available for ITP members to download from .
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机译:以下文章首次发表于1912年,当时是The Journal(当时称为The Post Office Electrical Engineers Journal)。 1912年7月5日,宣布Epsom电话交换机正式启用。 ITP成员可以从上下载此文章。
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