Laboratory Manual of Glass Blowing
Laboratory Manual of Glass Blowing
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In our eReader you can find the full English version of the book. Read Laboratory Manual of Glass Blowing Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Laboratory Manual of Glass Blowing
What reading level is Laboratory Manual of Glass Blowing book?
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10. Otherwise the result will be a series of bulbs, as in e, FIG. 10 Blowing a bulb on the end of a tube.
30 LABORATORY MANUAL OF GLASS-BLOWING Fig. 10, separated by thickened ridges which will be almost impossible of removal later and will disfigure the final bulb. This operation of heating, blowing and pushing together is repeated several times, until the cylinder becomes as long as can be conveniently handled (about 1 1/4 inches to 1 1/2 inches). If more glass is needed than is then containe...d in the cylinder, the latter may now be heated as a whole, and blown and pushed gently into a shorter cylinder of a slightly greater diame- ter, and more glass then added as before.
When enough glass has been collected for the bulb, it is all well heated and blown gently a couple of times, pushing the mass together as required, until a thick bulb like d, Fig. 10, is obtained. The tail must now be removed at the point indicated by the dotted line. To do this, a very fine flame is directed on the point where the tail joins the bulb, and the tube well rotated as the glass softens at that point.
What to read after Laboratory Manual of Glass Blowing?
You can find similar books in the "Read Also" column, or choose other free books by Frary Francis Cowles to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
10. Otherwise the result will be a series of bulbs, as in e, FIG. 10 Blowing a bulb on the end of a tube.
30 LABORATORY MANUAL OF GLASS-BLOWING Fig. 10, separated by thickened ridges which will be almost impossible of removal later and will disfigure the final bulb. This operation of heating, blowing and pushing together is repeated several times, until the cylinder becomes as long as can be conveniently handled (about 1 1/4 inches to 1 1/2 inches). If more glass is needed than is then containe...d in the cylinder, the latter may now be heated as a whole, and blown and pushed gently into a shorter cylinder of a slightly greater diame- ter, and more glass then added as before.
When enough glass has been collected for the bulb, it is all well heated and blown gently a couple of times, pushing the mass together as required, until a thick bulb like d, Fig. 10, is obtained. The tail must now be removed at the point indicated by the dotted line. To do this, a very fine flame is directed on the point where the tail joins the bulb, and the tube well rotated as the glass softens at that point.
What to read after Laboratory Manual of Glass Blowing?
You can find similar books in the "Read Also" column, or choose other free books by Frary Francis Cowles to read onlineMoreLess
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