D, is the same as C, but with a solid ball adhering to the flat part of the bowl; this being a separate gathering, out of which the stem has to be lathed, or shaped, by the tool called pucellas, as E, while it is rotating up and down upon the inclined planes of the Glass-maker's chair, which serves as a lathe. The stem is thus shaped ready to receive the foot. The moment the Glass gets hard by cooling, the rubbing of the pucellas must be discontinued, or an excoriated surface will be the consequence. F has the globe attached to the stem, which is afterwards opened and flattened by the pucellas into a foot, while lathed, or rapidly rotated, as G, on the arms of the blowing chair. H is the same, with the iron pontil adhering to the foot by means of a small piece of gathered glass. The pontil secures the whole preparatory to its being whetted from off the bowl, and released from the blowing-iron at the dotted line, H H, by the touch of the cold pucellas, contracting and slightly fracturing the Glass, which is subsequently cracked through the entire circumference by a smart blow of the pucellas. I, is the bowl under the operation of shearing, so as to make it perfectly even, and fit for the flashing the finishing. K, which is finally knocked off for annealing from the end of the pontil by a sharp blow.