19th-century Color Chart “Ratti Ernesto & C” – Turin -Italy This late-19th-century colour chart by Ernesto Ratti (Turin, Italy) presents an exceptional example of industrial visual communication. Precisely printed and richly tinted, the chart showcases a systematic palette of hues designed for practical use in textile finishing or surface treatment. Each swatch is meticulously arranged … Continue reading 19th-century Color Chart “Ratti Ernesto & C” – Turin -Italy