Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 889
inking 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-tributed round the axis of the pipe, and advanced in front of its niouth, 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 thaiof a bottle by a threefold operation; by blowing into the tube with greater force, by stringing(backwards and forwards, in the manner of a pendulum) and by a simultaneous constant rotary motionof the…
Mechanical engineering · Mechanics · Engineering
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