The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 458
ufficient to reduce the current to the suitable size. Where the ■ arc lamp is not available, the source of light usually-employed is the lime light. This is an expensive and inconvenientlight; involving as it does the manufacture of oxygen, or the purchaseof oxygen and hydrogen in iron cylinders.… … Fig. 414. and color, to that of the lime light. Generators are obtainable of themanufacturers of lanterns by means of which the acetylene gas can beproduced directly from calcium carbide at a sufficient rate to supplythe burner. Care should be exercised, as in the case of all illuminat-ing gases,…
Physics
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