Carton with four of the six original developer cartridges. Glass tubes, corked at both ends, containing developer powders. Printed instruction labels. Corks fitted with strings for easy removal. Kodak Limited Kodak Special Developer Cartridges
Two sealed packs of developer cartridges, six in each. For films, plates, bromide and gaslight papers and lantern slides. Kodak Limited. Kodak special developer cartridges