Pat Gainer's PC-TEA Developer

100ml Triethanolamine (TEA)
9 Grams L-ascorbic acid powder
0.25 grams phenidone

Dilute 1 part PC-TEA with 50 parts water

For Kodak TMY 400: As a starting point, develop for 9.5 minutes at 21 deg. C with gentle agitation: 10sec./minute