General notes: Minas Gerais reconstructed
and modernised, improved fire control arrangements being fitted,
in 1934-39; Sao Paulo to be transformed similarly in due course.
Engineering notes: The former No.1 stokehold was converted
into four oil-fuel deep-tanks, - the space available between
top of tanks and main deck being used as distilling plant, with
all necessary auxiliaries. 12 side coal bunkers converted into
wing oil-fuel tanks, there being 2 service oil tanks for each
stokehold. All upper coal bunkers removed. Internal arrangements
entirely changed, in accordance with the requirements of new
uptakes with single funnel. The whole Thornycroft supply includes:-
main and auxiliary feed water pumps, oil fuel pumps, oil heaters
and filters, teledep-instalation, ventilating-plant, pipes, etc.