These flanges were put on as follows: Each flange was screwed on until the pipe was completely through the flange and projected slightly from the face. Then each piece of pipe was swung in a lathe, the flanges refaced and the ends of the pipe turned down flush and true. This insured both flanges… … most uneven surfaces and is unaffected by expanson or vibration.
Architecture · Building · Architecture -- Periodicals · Building -- Periodicals
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