An update for those people still interested.

Recent efforts have been towards fine-tunining the filminator, in particular, the uneven coating caused by the bearing rumble in the coating roller.

I am pleased to report that over a beer, the builder has revealed that by simply upping the base speed from 2m per minute to 4m, not only has the banding been completely eliminated, but coating thicknesses of 50 micron wet (and apparently 3 when dry) have been consistently achieved.

I will see if I will have time this week to photograph some of the reaction chambers and emulsion preparation equipment he has built.