Letters on natural magic, addressed to Sir Walter Scott, bart (1834)
Brewster, David, 1781-1868. n 84239125 · London : J. Murray · leaf 122
110 LETTERS ON NATURAL MAGIC. Fig. 22. … f g. The size of these flames is regulated by the cock b. The inflammation, therefore, of the ignited gas will be sustained by these four subsidiary flames through which it passes, independent of any agitation of the air, or of the force with which it issues from the burner. On a projecting arm e…
Scientific recreations
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