Sir Howard Grubb, Parsons and Co.
| Sir Howard Grubb, Parsons and Co. | |
|---|---|
| legal form | Ltd. |
| founding | 1833 |
| resolution | 1985 |
| Seat |
Newcastle upon Tyne , UK
|
Sir Howard Grubb, Parsons and Co. Ltd. , also known as Grubb Parsons, was a telescope manufacturer based in Newcastle upon Tyne .
The company was founded in Dublin in 1833 by Thomas Grubb under the name Grubb Telescope Company . His son Howard Grubb joined in 1864. The company ran into financial difficulties in 1925, was bought by Sir Charles Parsons and renamed.
Major telescopes
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The company made a number of telescopes, some of which were among the largest of their time . The largest reflector telescopes are:
- 170- inch - William Herschel telescope , 1985
- 154-inch optics and tube of the Anglo-Australian Telescope , 1974
- 150 inch UKIRT , 1976
- 100 inch primary mirror of the Isaac Newton Telescope at the Roque de los Muchachos Observatory
- 98 inch primary mirror, Royal Greenwich Observatory, 1967
- Mechanics of the 1.93 m telescope at the Observatoire de Haute-Provence
- 74-inch telescope at the David Dunlap Observatory , 1935
- 74-inch Radcliffe Observatory Radcliffe Telescope , 1948, in the South African Astronomical Observatory since 1977
- Mount Stromlo Observatory's 74-inch telescope , 1955
- 74-inch telescope at the Okayama Astrophysical Observatory , 1960
- 74-inch reflecting telescope at the Kottamia Astronomical Observatory , 1963
- 1.8 m primary mirror of the Copernico telescope , 1969
- 48-inch achromatic Schmidt plate of the Oschin Schmidt telescope , approx. 1980
- 48/72 inch Schmidt camera , 1973
The latter two are Schmidt cameras . In the 19th century the company had also manufactured important telescopes:
- Melbourne Observatory's 48-inch Telescope , 1869
was the second largest telescope of the time, after the Leviathan , which was designed by Charles Parson's father and resembled him in terms of the metal mirror. In addition, a number of refractors were also built, so it was
- 27-inch telescope of the Vienna University Observatory 1878
the largest lens telescope of its time, only surpassed by the two previously mentioned telescopes.
Web links
- Photographs of telescopes from Grubb Parsons
- Durham University Grubb Parson Lectures
- Former Grubb Parsons polishing machine for large mirrors
- Cambridge University's 36-inch telescope
Individual evidence
- ↑ Backyard Voyager Page 1 ( Memento of the original from July 7, 2011 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Backyard Voyager Page 2 ( Memento of the original from April 28, 2009 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
