Originally Posted by
dook
Does anyone need a clue ?
Not unLeice(ster) you wish to give us one (aka 'Ratcliffe'; the name next to the circle)
Open House!
NB Credit to
www.ukairfieldguide.net which has 4 superb piccys taken in 1935; dook's picture I would guess was taken at the 1937 airshow as it shows HP 42 'Heracles'.