[Boatanchors] marconi cny-2

[syd]

hi all,
I have obtained a marconi cny-2 transmitter/receiver and would like to get
it on the air!
but have been unable to find any! information at all on it!
can anyone help with cct dig.or service handbook??
seems to have 2x807 in the final and 4 plug in units in one case
psu,drive,final and receiver
think it may have been used by the royal navy in 2nd ww.
anyone help??
syd  gj0jsy