11 minutes at 15°C/59.0°F
Film expired in 1993.
Developer: Kodak (D-76+20g/l washing soda) 1:3 @15degC
Agitation: gentle, 4-5 turns at the start, then 1 full turn every 1 minute.
Stop bath - water with approx 10% vol. white winegar (chilled tap water @~15degC)
Kodak Rapid Fixer 1+1 (this solution has been used twice before) 7 minutes @15degC, same agitation as in developing, every 1 min.