Elements of mineralogy, crystallography and blowpipe analysis from a practical standpoint .. . that from rape-seed oil, but is sufficient to round the edges of acalamine splinter. Oxidation and reduction are easily obtainedand the cleanliness and ease of control cause it to be preferred bymany. The ordinary blowpipe can be made into a gas blowpipeby means of an attachment to connect to the moisture chamber. Blowpipe Lamps. Bunsen Burner.—The simplest form of lamp for laboratory pur-FiG. 291. Fig.

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