'4th Home Counties (Howitzer) Brigade [plus 4th and 5th Kent Batteries, and Ammunition Column] Royal Field
Artillery; head quarters, Trevethan, Bexley road.'
'Erith Section, Fraser Rd.; 4th London Field Ambulance Royal Army Medical Corps.'
Both the references above are from Kelly, 1913.
The Times, Monday 8th April, 1907, reported the opening of a new drill hall for the Woolwich companies of the Royal
Army Medical Corps (Volunteers), at Erith, on Saturday by Lord Methuen.