He asked advice of Scottish dye works owner Robert Pullar, who assured him that manufacturing the dye would be well worth it if the colour remained fast.

他向苏格兰染料厂的老板罗伯特·普拉尔询问建议，后者向他保证说，如果染料的颜色保持鲜艳，那么制造这种染料就很值得。