[DOC] [TLE] Charles Mason - Wikipedia [PAR] Charles Mason (April 1728 [baptised 1 May]  25 October 1786) was an English 
astronomer ... Mason's early career was spent at the Royal Greenwich 
Observatory near London. He served as ... Mason was joined by Jeremiah Dixon, 
a surveyor and amateur astronomer from Cockfield in the County of Durham. 
Owing to an... [DOC] [TLE] Mason & Dixon: Their Line And Its Legend | American History Lives ... [PAR] There was a political as well as a surveying problem involved, however, ... from 
the Astronomer Royal, Charles Bradley, director of the Greenwich Observatory, 
and ... Charles Mason had been assistant observer at Greenwich from 1756 to 
1760, ... having agreed on Mason and Dixon as the realm's bestqualified 
surveyors,... [DOC] [TLE] American National Biography Online: Mason, Charles... [PAR] Mason, Charles ( Apr. 1728-25 Oct. 1786), and Jeremiah Dixon (27 July ... him 
the position of assistant (or "labourer") at the Royal Observatory, Greenwich, with 
a salary of 26. At about this time Mason married Rebekah (maiden name 
unknown), with whom he had two ... Of his early career as a land surveyor little is 
known. [DOC] [TLE] CHARLES MASON AND JEREMIAH DIXON - The Mason [PAR] Jeremiah Dixon came from England to set up their surveying ... he worked from 
1756 to 1760 as assistant observer to the Reverend ... the Greenwich 
Observatory and equipped it with new instruments. ... Nevil Maskelyne and 
Charles Mason received the torch he had ... the Cape of Good Hope for similar 
determination. [DOC] [TLE] The Role of the Royal Society in the Mason and Dixon Survey [PAR] work of the two astronomers/surveyors vis-a-vis the Royal. Society ... beginnings 
of both the Royal Society as well as Colonial natural .... Oldenburg had claimed 
that the Royal Society had taken to task ..... worked alone, the scientific societies, 
especially the Royal ...... their instruments, and having an observatory built at the. [DOC] [TLE] Mason & Dixon and Hamlet - Orbit [PAR] The compromise reached called upon local surveyors, three for each side, ... A 
decade later, the new line had still not been drawn, so the Royal Observatory 
was ... Since Pynchon's Mason & Dixon is historical metafiction, his protagonists 
are .... who had to live through the contradictions of his earthly Life, without 
having it all... [DOC] [TLE] SurveysInc.com - History - Professional surveying services by ... [PAR] Though the Mason-Dixon Line is most commonly associated with the division ... 
Mason was an astronomer who had worked at the Royal Observatory at... [DOC] [TLE] The Mystery of the Transit in the Tower - Surveyors Historical Society [PAR] and the Mason-Dixon Survey.2 A hunt then ensued to see what else ... had been 
a distinguished admiral in the Royal Navy during the Dutch wars. .... Charles 
Mason, assistant at the Royal Observatory, and Jer- ... The men had worked 
together on ..... well as the one used for the 1769 Transit of Venus observation. 
But what... [DOC] [TLE] The Work of Charles Mason and Jeremiah Dixon - FIG [PAR] HS1 Surveying and Mapping the Americas  Lines of Distinction ... In recent 
years, the Mason-Dixon Line Preservation Partnership has located many .... were 
furnished with the latest almanacs from the Royal Observatory .... They worked .... 
now preserved in Edinburgh, Scotland, was already well travelled having gone 
with. [DOC] [TLE] Surveying the 1769 Delaware Transit Observatory - The Astrolabe [PAR] The 1769 Transit of Venus Observatory in Lewes, Delaware ..... the transit frees 
the observers from having to coordinate their local times. ... well defined 
observation sites in Statehouse Square in Philadelphia and at his ... He had 
worked as a ... He worked with Mason and Dixon on the survey of the West Line, 
which defines. [DOC] [TLE] Mason and Dixon Survey FINAL BUILD MARYLAND September ... [PAR] Oct 8, 2015 ... THE 250th ANNIVERSARY OF THE MASON AND DIXON SURVEY ... Royal 
Navy who had loaned the profligate King Charles II the then stupendous sum of 
... This was not a good deal for the Calverts,

Question: As well as surveyors, Mason & Dixon had this profession, Mason having worked at the Greenwich Observatory
Answer: Astronomers