Prestige Plates: Develop by hand or machine. Expose to a solid
step 4 on 21 step plate scale. Develops in: Boyd's Prestige, Graphline Paramount,
Agfa/Enco ND-143 and most developers.
Performance Plates: Process by hand or machine.
Expose to a solid 3 Stouffer. Develop in Boyd's OMNI-PRO, Graphline Aqueous, Kodak
SP200 & SP211 and compatible developers.
