This section has no associated Executive Note
16. Dragonbrite briquettes, manufactured by Tower Colliery Limited, Aberdare, Mid Glamorgan, South Wales, which—
(a)comprise tower duff (as to approximately 95 per cent of the total weight) and a resin-based binder (as to the remaining weight);
(b)were manufactured from those constituents by a process involving cold cure roll-pressing;
(c)are pillow-shaped briquettes marked with the letter “T” on one side;
(d)have an average weight of 50 grammes per briquette; and
(e)have a sulphur content not exceeding 1 per cent of the total weight.