They date from the 1970s and ’80s.
1. At work in the Uncle Joe's factory on Dorning Street in 1971. Production techniques have changed little since then
. Photo: sub
2. Princess Anne visits the Heinz factory in 1986
. Photo: Gary Brunskill
3. Retirements from the Heinz factory in 1981
. Photo: Gary Brunskill
4. A documentary film crew arrives at Wigan's Heinz factory in May 1971.
RETRO 1971 A documentary film crew arrive at Wigan's Heinz factory in May 1971. Photo: UGC