Paragraph 40

England, Wales and Scotland

Jewel briquettes, manufactured by Eldon Colliery Limited at Newfield Works, Bishop Auckland, County Durham, which—

(a)

comprise anthracite (as to approximately 30 to 50% of the total weight), Long Beach petroleum coke (as to approximately 50 to 70% of the total weight) and a carbohydrate binder (as to the remaining weight);

(b)

were manufactured from those constituents by a process involving roll-pressing and heat treatment at approximately 150°C;

(c)

are unmarked pillow-shaped briquettes;

(d)

have an average weight of 33 grams per briquette; and

(e)

have a sulphur content not exceeding 1.5% of the total weight.