Polly-min developing tank Designer (Person) Unknown Manufacturer Neville Brown & Company Date 1954 (circa)
Paterson Universal Model II film developing tank Manufacturer Paterson Products Date 1950 - 1959 (circa)
Ilford adjustable developing tank Designer (Person) Unknown Manufacturer Ilford Date 1940 - 1949 (circa)
Paterson Major II developing tank Designer (Person) Unknown Manufacturer RF Hunter Manufactured for Paterson Products Date 1960 - 1965 (circa)