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."
- АвторEllen Langdon
- ВидавництвоProject Gutenberg
- Оригінальна назваThe Life of Roger Langdon, Told by himself. With additions by his daughter Ellen.
- Тип книгиЕлектронна книга
