Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 897
rinking together by constantly blowing into the pipe with very little force. Themass of metal (metal is the technical term applied to glass during working) must be equably dis-tributer1 round the axis of the pipe, and advanced in front of its mouth, being connected with it only bya short neck. Thus… … softer. The pear-shaped vessel is now lengthened by the blower, and its form is approached to thatof a bottle by ft threefold operation ; by blowing into the tube with greater force, by swinging(backwards in forwards, in the manner of a pendulum) and by a simultaneous constant rotary motionof the…
Mechanical engineering
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