A Handbook of Laboratory Glass Blowing volume 2
A Handbook of Laboratory Glass Blowing volume 2
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In our eReader you can find the full English version of the book. Read A Handbook of Laboratory Glass Blowing volume 2 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 A Handbook of Laboratory Glass Blowing volume 2
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In this case, also, a guide is quite essential in the early stages of drilling ; other- wise the end of the tube will stray. The speed of cutting may be increased slightly by making a number of radial slots in the end of the tube ; these serve to hold a supply of the grinding material.
Grinding Lenses. This is scarcely within the scope of a book on glass-blowing for laboratory purposes, but it may be said that the lens may be ground by means of a permutating mould of hard lead or type-metal. Th...e rough shaping is done with coarse carborundum or emery, and successive stages are carried on with finer and finer material. The last polishing is by the LABORATORY GLASS-BLOWING 63 use of jewellers' rouge on the mould, now lined with a fine textile.
Filing Glass. If a new file, thoroughly lubricated with a solution of camphor in oil of turpentine, is used, there is but little difficulty in filing the softer glasses. A slow movement of the file, without excessive pressure but with- out allowing the file to slip, is desirable.
What to read after A Handbook of Laboratory Glass Blowing volume 2?
You can find similar books in the "Read Also" column, or choose other free books by Bernard D Bolas to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In this case, also, a guide is quite essential in the early stages of drilling ; other- wise the end of the tube will stray. The speed of cutting may be increased slightly by making a number of radial slots in the end of the tube ; these serve to hold a supply of the grinding material.
Grinding Lenses. This is scarcely within the scope of a book on glass-blowing for laboratory purposes, but it may be said that the lens may be ground by means of a permutating mould of hard lead or type-metal. Th...e rough shaping is done with coarse carborundum or emery, and successive stages are carried on with finer and finer material. The last polishing is by the LABORATORY GLASS-BLOWING 63 use of jewellers' rouge on the mould, now lined with a fine textile.
Filing Glass. If a new file, thoroughly lubricated with a solution of camphor in oil of turpentine, is used, there is but little difficulty in filing the softer glasses. A slow movement of the file, without excessive pressure but with- out allowing the file to slip, is desirable.
What to read after A Handbook of Laboratory Glass Blowing volume 2?
You can find similar books in the "Read Also" column, or choose other free books by Bernard D Bolas to read onlineMoreLess
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