Then, by putting the bellows into action, a jet of a#39;air is thrown into the very centre of the flame ... flame at pleasure, and, even when applied to the more delicate operations of blowpipe analysis, a most perfect flame in its parts and effects.
Title | : | A Manual of Metallurgy, more particularly of the precious metals, but including such others as are employed in dental practice |
Author | : | George Hogarth MAKINS |
Publisher | : | - 1862 |
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