Wonders of Glass Making in All
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In our eReader you can find the full English version of the book. Read Wonders of Glass Making in All 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 Wonders of Glass Making in All
What reading level is Wonders of Glass Making in All book?
To quickly assess the difficulty of the text, read a short excerpt:
CHAPTER BEADS FOR NECKLACES, BRACELETS, AND CHAPLETS.
THE manufacture of beads for necklaces, brace- lets, and chaplets, whilst presenting great similarity to that of jet, in as mucli as both are produced from tubes of colorless or colored glass pierced through the centre, yet differ in one particular ; as the former are simple oblong tubes, while the others must from their destination receive a form more or less spheroidal.
It is this latter work that we are about to de- scribe.
The tubes, of ...a diameter proportioned to that of the beads which are required, are at first cut into cylinders of a height equal to their diameter, and are then placed in a pear-shaped drum of beaten iron containing a mixture of plaster and plumbago or of charcoal dust mixed with clay. The drum being placed on a furnace, the workman gives it a continu- ous rotatory movement by means of an iron axle which passes through it, so that the tubes softened by the heat lose the salient parts of their extremities, from the constant friction with each other, and take a spherical form.
What to read after Wonders of Glass Making in All?
You can find similar books in the "Read Also" column, or choose other free books by Alexandre Sauzay to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
CHAPTER BEADS FOR NECKLACES, BRACELETS, AND CHAPLETS.
THE manufacture of beads for necklaces, brace- lets, and chaplets, whilst presenting great similarity to that of jet, in as mucli as both are produced from tubes of colorless or colored glass pierced through the centre, yet differ in one particular ; as the former are simple oblong tubes, while the others must from their destination receive a form more or less spheroidal.
It is this latter work that we are about to de- scribe.
The tubes, of ...a diameter proportioned to that of the beads which are required, are at first cut into cylinders of a height equal to their diameter, and are then placed in a pear-shaped drum of beaten iron containing a mixture of plaster and plumbago or of charcoal dust mixed with clay. The drum being placed on a furnace, the workman gives it a continu- ous rotatory movement by means of an iron axle which passes through it, so that the tubes softened by the heat lose the salient parts of their extremities, from the constant friction with each other, and take a spherical form.
What to read after Wonders of Glass Making in All?
You can find similar books in the "Read Also" column, or choose other free books by Alexandre Sauzay to read onlineMoreLess
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