This is the main mixing jug. Use it for preparing the final one Liter solution of Developer, Stop and Fix.
I make the fix first and then pour this into another container, then rinse the measueing cylinder and mix stop then dev. Leaving the dev in the cylinder.
The well-known Paterson graduates are made from transparent polystyrene moulded under strictly controlled conditions to ensure total accuracy. They are of a cylindrical laboratory design giving uniform widely separated markings which are very easy to read.
Resistant to most photographic chemicals; each calibrated in metric, Imperial and US scales; Accurate, easy to read markings.