A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 545
Trigonometrical.—Of or pertaining totrigonometry. (See Trigonometry.) Trigonometrical Function.—(See Func-tion, Trigonometrical) Trigonometrically.—In a trigonometricalmanner. Trigonometry.—That branch of mathe-matical science which treats of the methodsof determining the values of the angles… … Fig- 559 > Dynamo Brush Trimmer. trigonometry, by what is called the solution ofthe triangle. (See Function, Trigonometrical.) Trimmer.—An employee of an electriclight company who renews the carbons inarc lamps. Trimmer, Dynamo Brush A de-vice for insuring rapid and accurate trimmingof dynamo…
Electricity · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.