English: Notebook entry of James H. Trexler, dated 28 January 1945, showing calculations for a long-distance communications link between Los Angeles, California, and Washington, D.C., via the Moon
(Notebook entry by [[James H. Trexler]] detailing plans for a moon bounce communications link, from [http://history.nasa.gov/SP-4217/p10.htm].{{PD-USGov}})
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