Longthorpe (click on photograph to bring up bigger/better version).

longthorpe Not a lot left of this one at Thorpe Hall, Longthorpe, Peterborough. Photograph supplied by John Hurst - thanks, John.

Markings: None visible.

Manufacturer: Unk.

longthorpe, 2018 Also in Longthorpe, Peterborough. Thanks to Bryan Woolford for the photo.

Markings: "DF" and "3".

Manufacturer: Unk, but reportedly French. Coincidentally (?) there's another with these markings at Orton Wistow, Peterborough.