Letter from Sir Arthur Markham [MP for Mansfield, Nottinghamshire] (Beachborough Park, Shorncliffe [Kent]) to WSC [First Lord of the Admiralty] on the labour dispute in the Welsh coal mines, acknowledging that WSC did not wish him to say anything more on the subject, but pointing out that [? the Nottinghamshire mines] were selling coal to the Admiralty at practically cost prices.