Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 213
le) is 40 mm. In order to ad-just the flame to the correct height, thelamp is fitted with a sighting arrangementin which an image of the top of the flame iscast on a ground-glass disk and adjusted toa cross line. (Ref. Journ.I.E.E., vol. clxxxii,p. 283; Zeitschrift fiir Instrumentenkunde,1893.)… … Fig. 2.—Carcel Lamp glass chimney, and a wick of annular crosssection to which a continual supply of purecolza oil is maintained by means of a clock-work pump. The lamp gives its standardcp when consuming 42 g of oil per hr. Tomeasure the rate of consumption of oil, thelamp is counterpoised on a…
Electrical engineering
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