Originally Posted by paul_c5x4
Have a look for a Paterson Orbital tray - With these, you can develop up to four sheets of 5x4 film with less than 100ml of chemicals (although I prefer to use 150-200ml).
The Paterson Orbital had the option of a manual or a motorised base, but unfortunately, it is no longer in production.
as far as i know is out of production. i'll try on Ebay.....