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Colin Rosenstiel · August 17th 03, 08:59 PM posted to uk.transport.london

In article ,
(Clive D. W. Feather) wrote:

In article , Marcus Fox
writes
I'm thinking that those letters are indication of some imperial
measurement of length. R is probably Rood or Rod. 1 Rood is 3.77
metres, 1 Rod is 5.03 metres. C could be Cable, of which one is 185.31
metres, or Chain. There are two types of Chain, Ramsden and Gunter,
30.48 and 20.11 metres respectively. C.G. is likely Chain Gunter. Arrow
could be distance to some certain point from that plate.

Extremely unlikely. Distances on the Underground are done in metric,
using km from Ongar as a reference system. Nobody uses roods or rods
any more, cables are nautical, and while mainline railways use the 22
yard chain, LUL does not.

Does not now but were all the old markers (presumably in miles and 22 yard
chains) removed when kilometrage was adopted?

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Colin Rosenstiel