The Life of Roger Langdon, Told by himself. With additions by his daughter Ellen.

Ellen Langdon The Life of Roger Langdon, Told by himself. With additions by his daughter Ellen.
ISBN:
2000000001426
Видавництво:
Project Gutenberg
Автор:
Ellen Langdon
Мова:
англійська
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Опис: Mr. Langdon, station-master at Silverton, on the Great Western Railway, a self-taught astronomer, died on July 18, 1894. Mr. Langdon made in his spare hours an 8-inch silver-on-glass mirror, grinding it on a machine of his own construction. In 1872 he contributed a paper to the Monthly Notices of the Royal Astronomical Society on \"The Markings of Venus.\"

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