17. Koala ovoids, manufactured by Allied Smokeless Fuels Limited at The Harbour, Foynes, County Limerick, Ireland, which—
(a)comprise anthracite fines and coal blend (as to approximately 70 per cent. of the total weight), petroleum coke (as to approximately 17 per cent. of the total weight), and molasses and phosphoric acid as binder (as to the remaining weight);
(b)were manufactured from those constituents by a process involving roll-pressing and heat treatment at between 250°C and 280°C;
(c)are pillow-shaped briquettes with one indented line running latitudinally around the briquette and have an average weight of 130 grammes; and
(d)have a sulphur content not exceeding 1£5 per cent. of the total weight.