Andrew Green

Metered liquid delivery systems

Process control for photographic processing apparatus

Process verification in photographic processes

Calibration of sensitometers

Method for improving the contrast in photographic film materials

Photometer head with housing portions having a gap therebetween

Kit for supplying photoprocessing chemicals

Method and apparatus for controlling an automatic silver recovery system for a photographic processor

Process and device for the feeding of fluid additives, and in particular the feeding of replenishers to a photographic processing fluid

Prozess-überprüfung in photographischen verfahren Process-checking procedures in photographic