Dyeing properties, direct dyestuffs
A technical trade manual on direct dyestuffs issued by Geigy Chemical Corporation's dyestuffs division in New York for textile dyers and mill chemists. The plates are printed charts measuring percent dyestuff exhausted against temperature, with heavy solid black bars rising across ruled grids on tinted paper, offering ready-made bar-and-line graph forms, ruled axis frames, and small sans-serif percentage labels.
