Issued jointly by Barter Trading Corporation Ltd, London and Charles Tennant and Company Ltd, Glasgow. Mushroom coloured card covers, 255 pages, one page per compound, from Acetaldehyde to Xylol. For each compound, the page gives the chemcical formula, Colour and Properties, Grades (ie grades of substance as supplied by the companies), and Containers and Uses. Condition: Covers grubby and a little worn, ownership stamp (illegible) to front board, with two owners’ names in ink. Internally clean, pages slightly age-tanned.