Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 251
forms ameasure of the intensity of one light in termsof the other. (Eef. Bulletin of Bureau of quently employed is termed fre/mh, chalk.See French Chalk for Assembling CorePlates. Tandem Connection. See CascadeControl under Starting of Motors; Cas-cade Motor. Tangent Galvanometer. See… … Talbot Disk Standards, vol. ii, No. 1, Govt. PrintingOffice, Washington.) See Photometer;Photometer Head; Law, Talbots. Talbots Law. See Law, Talbots. Talc, native hydrated silicate of magnesia.It is an extremely soft mineral, and can beground to a fine powder and used as a drylubricant. The…
Electrical engineering
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