Janus: Papers of William Christie

RGO Archives/RGO 7 contains:
<-- See earlier
268	Papers on the Paris-Greenwich Longitude
269	Papers on the Paris-Greenwich Longitude
270	Papers on the Paris-Greenwich Longitude
271	Papers on the Paris-Greenwich Longitude
272	Papers on the Paris-Greenwich Longitude
273	Papers on the Paris-Greenwich Longitude
274	Papers on the Paris-Greenwich Longitude
275	List of photographic plates
276	Melotte's dark nebulae data
277	Melotte's data
278	Melotte's catalogue of dark areas
See later -->

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Papers of William Christie

Title	Papers on the Paris-Greenwich Longitude
Reference	RGO 7/273
Covering Dates	1902
Extent and Medium	1 volume

Content and context

'Instrumental Errors...Clock Comparisons by Signals', a collection of papers relating to the determination of the difference in longitude of Paris and Greenwich. The main topics include collimation errors in Transits B and C, the determination of level errors, computation of 'n' for Transit B at Paris and Transit C at Greenwich, readings of individual clock signals and means, and signals and means of exchanges. The papers end with a description of the telegraph system.

Further information

Indexed

Index Terms

Longitude

Paris

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