Category:First United States transcontinental phone line
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Media in category "First United States transcontinental phone line"
The following 2 files are in this category, out of 2 total.
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Alexander Graham Bell, first transcontinental phone call, 25 Jan 1915.jpg 4,500 × 3,672; 883 KB
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First United States transcontinental phone line in 1915.png 1,200 × 860; 1.15 MB
