There is a haulage company near here EYE SUFFOLK that is called Bartrams. Perhaps a call to them might lead you to your man.01379-870693, The rest of these numbers are from the phone book. All BARTRAM.
bartram mowers norwich 01603458916.
bartram dairy farm, 01508 489275
W bartram seedsman 01502 712156
bartram mtr mec 01379 642964
The name is very common here in Suffolk/Norfolk. These are the COMPANIES . I hope one of them knows your SAM if not then I can send you the list from the Norfolk phone book private numbers, Just repost on here. ok Good luck