John Samuel Slater
John Samuel Slater (born 1850 in
Life and work
John Samuel Slater was educated at
In 1875, he was appointed Professor of Engineering at the
He was responsible for teaching astronomy to the students of the Engineering College, and was always keenly interested in that science.[2] In 1891, while on leave, he devised and patented an armillary sphere.[4] He presented this to the Royal Astronomical Society in 1891.[5] which he used for instructional purposes.[2]
After his retirement, he devoted himself enthusiastically to an investigation of the pollen of plants, and prepared by micro-photography a very large number of enlarged photographs of pollen grains. The value of his work in this direction was recognised by the botanical authorities at Kew.[2]
Family
He married in 1873 Jessie Frances, by whom he had a son and a daughter.[2]
Patents
- He didn't make the Armillary sphere. US patent No 482,278. Patented 6 September 1892.
References
- ^ Museum of the History of Science: Narratives: J.S. Slater.
- ^ a b c d e f Obituary Notices: Fellows: Slater, John Samuel. In: Monthly Notices of the Royal Astronomical Society, Vol. 72, p. 252–253. This article incorporates text from this source, which is in the public domain.
- ^ Miscellaneous Notes: J. S. Slater. In: Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew), Vol. 1912, No. 1 (1912), pp. 56–74.
- ^ Museum of the History of Science: Narratives: Slater's 'improved' armillary sphere.
- ^ Museum of the History of Science: Record Details: Slater's Armillary Sphere, English, c. 1890.