Forwarded with permission from another forum:
From before WWII, made by the late James Rudd Ratcliffe, SWMBO's
maternal grandfather.
- mainly gliders (also
Grayson on a day out, apparently, though could not see Mr
Cholmondley-Warner).
Croydon, likely ca. 1934,
includes Short L17 "Syrinx", Wibault 280, HP42 "Heracles", DH Dragon
Rapide, a Swiss Airlines DC2 and sundry others including I believe a
JU52/3M.
OP's father was a Flying Officer, hence the family interest.
'b