John Byrne (telescope maker)
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John Byrne (telescope maker) is a member of the following lists: People from New York City, 1903 deaths and Telescope manufacturers.
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John Byrne started as an apprentice for the telescope maker Henry Fitz in 1847. He worked with him until Fitz's death in 1863. Byrne worked most of his life correcting lenses made by others. He began making his own personal telescopes in the 1870s and 1880s that he signed. In the late 1860s, at the beginning Byrne's telescopes resembled Fitz's and were signed in script undated on the faceplate above the focuser. In the 1870s and the early 1880s he signed in script in the lens cell. Later in the 1880s he signed by engraving his name, place of manufacturing, and date in script on the faceplate. A refracting telescope he made for Carleton College in Northfield, Minnesota in 1878 is signed in block letters "John Byrne, New York, 1878" and is mounted on a wooden tripod.
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