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RGO Archives/RGO 4 contains:
<-- See earlier
161 Sun's place at the Greenwich meridian
162 Mean times of meridian transits
163 Computation of Moon transit times
164 Tables and computations
165 Astronomical tables
166 Papers on observational methods
167 Papers on computing and observational methods
168 Text on nutation of the Earth's axis
169 Drafts of Dr Waring's books
170 Notes on mathematical theory
171 Notes on observing Jovian satellites
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Papers of Nevil Maskelyne

Title Papers on observational methods
Reference RGO 4/166
(former reference: A2/421D)
Covering Dates 1777–1807
Extent and Medium 1 envelope
Content and context

Papers on observational methods and instructions.

1. Precautions for accuracy in astronomical observations: 27 rules.

2. Preparations for observing the Sun: 10 points.

3. Directions for preparing the meridian and quadrant instruments for observing the Sun.

4. Twelve points for observing with the mural quadrant.

5. 'A method of observing with the mural quadrant by both the sub-divisions, viz. that greater and that less than the truth.'

6. 'Problem: to find a meridian by a theodolite' (2 copies).

7. 'Astronomical rules and useful particulars of directions for observers.'

8. Experiments to be made in observing Jupiter's satellites, with adjustments and improvements to be adapted to the telescope for that specific purpose.

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