I have an assortment of unexposed dry plates and would welcome some info on them please - such as what to rate them as.
Kodak Ortho Rapid
Eisenberger Reform Platten
Imperial Eclipse

The last one has some developer recipes on the box;
"MQ formula"
Sod. Sulphite
Sod. Carbonate
Potassium Bromide
+ water
develop for 4 mins !

Anyone know of a current eqiv. ?
Another one for "Pyro-Soda"