Kaiser Fototechnik 4015 Darkroom Light Filter, multigrade,

Prints on RC paper dry flat and quickly in the Paterson RC Rapid Drying Rack which allows for the free circulation of air.

The Paterson Certified Thermometer is a 9″ long glass stem thermometer, calibrated and guaranteed accurate to 0.3°C.

 The well-known Paterson Graduates are made from transparent polystyrene moulded under strictly controlled conditions to ensure total accuracy.