Glass Blowing

Series: Creative Glass Blowing Series no 4

Format: 16mm

Sound: sound

Description: Reviews the techniques of pulling a point and shows how to blow a perfectly spherical bulb, an elliptical bulb, by heating air trapped inside glass tubing, how to seal glass bulbs together and how to attach glass rods to bulbs. Shows how to expand the bore of capillary tubing while retaining the outside diameter as a prelude to making a butt seal with tubing of large bore.

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