Janus: Papers of Nevil Maskelyne

RGO Archives/RGO 4 contains:
<-- See earlier
173	Theory of light reflection and refraction
174	Illustrations of refraction corrections
175	Observations of Jovian satellites
176	Illustrations of finding apparent and mean time
177	Rule for reducing lunar distance
178	Meridian observations using circles
179	Construction and use of quadrants
180	The Obliquity of the Ecliptic
181	Ramsden's circle at Palermo
182	Refraction of the altitude of the pole
183	Annual parallax of fixed stars
See later -->

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Papers of Nevil Maskelyne

Title	Meridian observations using circles
Reference	RGO 4/178 (former reference: A2/421G)
Extent and Medium	1 envelope

Content and context

'Thoughts on whole circles intended for meridian observations only', an undated series of instructions to facilitate improved observational technique, with diagrams of the instrument involved.

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