Which, depending on the machine, may limit output to 4x5 or 8x10 maximum sheet size at about 1/10th the speed of production which was also about 10x wider. So, volumes will be very very low if even true.
Well, "small" is a relative term. I believe you, as well as other posters commented that the research "kettle" was 40L, and the production "kettle" at Agfa was 1000L. Don't know if this even relates to coating machine size.