Show about black blaek ink So chemical black ink has yet been made which will write black immediately on exposure the common black ink Is made of nut galls and is by all odds the best ink ever made manuscripts written in this black ink and years just as legible today as when first written the chemical inks of the present are axe of too recent invention to determine whether they will last but it la is quite probable that most 0 of f them will swill be as legible at the end of fifty or seventy five ove years as they chey are t today 0 there la is however a fortune in sto store r for the man who will invent a chemical black in which will write black at the first and remain so st bouls globe dem deru ocran |