Janus: Papers of Harold Spencer Jones

RGO Archives/RGO 9 contains:
<-- See earlier
107	Correspondence on the spectroheliograph reflector
108	Correspondence on the stellar photometer
109	Correspondence on the astrographic telescope.
110	Correspondence on photographic zenith tubes
111	Correspondence on the photographic zenith tube
112	Correspondence on chronographs
113	Correspondence on microphotometers
114	Correspondence on instruments
115	Correspondence on transit instruments
116	Correspondence on magnetic instruments
117	Correspondence on variometers
See later -->

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Papers of Harold Spencer Jones

Title	Correspondence on chronographs
Reference	RGO 9/112 (former reference: C6)
Covering Dates	1938–1950
Extent and Medium	1 bundle

Content and context

Correspondence regarding the Belin printing chronograph, 1950, and a copy of a letter from the Astronomer Royal to H. Wetzer, Germany, reporting on the performance of two chronographs, 1938.

Further information

Indexed

Index Terms

Time Measuring Instruments

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