1902 steamer journey details from Gravesend to Capetown down near the bottom of this page:
Evening Post, 8 December 1902, Page 4
GOTHIC, FROM LONDON.
She left Gravesend on 23rd. October, made a fine passage down channel, and arrived at Plymouth on the 24th. Embarkedl the remainder of passengers and mails and proceeded to sea on the 25th. Experienced fine weather, with light fresh to variable winds, to Teneriffe— reached on 30th October. After coaling the steamer left again the same day, mid to Capetown had a very flue passage, with light trade winds and smooth to moderate sea until arrival in Table Bay on 14th November.